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Finding the Fourth Proportional to 567,287.40, 783,057.12 and 506,752.92

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Solution

The fourth proportional to 567,287.40, 783,057.12 and 506,752.92 is: 699,498.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,287.40 : 783,057.12 = 506,752.92 : x
  2. Step 2: Convert to fraction form
    567,287.40/783,057.12 = 506,752.92/x
  3. Step 3: Cross multiply
    567,287.40x = 783,057.12 × 506,752.92
  4. Step 4: Simplify right side
    567,287.40x = 396,816,482,086.79
  5. Step 5: Solve for x
    x = 396,816,482,086.79/567,287.40
  6. Step 6: Final answer
    x = 699,498.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.