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Finding the Fourth Proportional to 590,544.20, 885,816.30 and 164,079.20

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Solution

The fourth proportional to 590,544.20, 885,816.30 and 164,079.20 is: 246,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,544.20 : 885,816.30 = 164,079.20 : x
  2. Step 2: Convert to fraction form
    590,544.20/885,816.30 = 164,079.20/x
  3. Step 3: Cross multiply
    590,544.20x = 885,816.30 × 164,079.20
  4. Step 4: Simplify right side
    590,544.20x = 145,344,029,850.96
  5. Step 5: Solve for x
    x = 145,344,029,850.96/590,544.20
  6. Step 6: Final answer
    x = 246,118.80

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Double scale
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Similar ratio
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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.