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Finding the Fourth Proportional to 590,574.20, 885,861.30 and 472,476.20

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Solution

The fourth proportional to 590,574.20, 885,861.30 and 472,476.20 is: 708,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,574.20 : 885,861.30 = 472,476.20 : x
  2. Step 2: Convert to fraction form
    590,574.20/885,861.30 = 472,476.20/x
  3. Step 3: Cross multiply
    590,574.20x = 885,861.30 × 472,476.20
  4. Step 4: Simplify right side
    590,574.20x = 418,548,380,751.06
  5. Step 5: Solve for x
    x = 418,548,380,751.06/590,574.20
  6. Step 6: Final answer
    x = 708,714.30

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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.