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Finding the Fourth Proportional to 590,544.20, 885,816.30 and 472,446.20

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Solution

The fourth proportional to 590,544.20, 885,816.30 and 472,446.20 is: 708,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,544.20 : 885,816.30 = 472,446.20 : x
  2. Step 2: Convert to fraction form
    590,544.20/885,816.30 = 472,446.20/x
  3. Step 3: Cross multiply
    590,544.20x = 885,816.30 × 472,446.20
  4. Step 4: Simplify right side
    590,544.20x = 418,500,544,833.06
  5. Step 5: Solve for x
    x = 418,500,544,833.06/590,544.20
  6. Step 6: Final answer
    x = 708,669.30

Related Problems

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Half scale
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Double scale
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Similar ratio
Find fourth proportional to 885,816.30, 1,328,724.45 and 708,669.30
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.