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Finding the Fourth Proportional to 696,755.52, 961,554.24 and 410,287.68

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Solution

The fourth proportional to 696,755.52, 961,554.24 and 410,287.68 is: 566,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,755.52 : 961,554.24 = 410,287.68 : x
  2. Step 2: Convert to fraction form
    696,755.52/961,554.24 = 410,287.68/x
  3. Step 3: Cross multiply
    696,755.52x = 961,554.24 × 410,287.68
  4. Step 4: Simplify right side
    696,755.52x = 394,513,858,323.76
  5. Step 5: Solve for x
    x = 394,513,858,323.76/696,755.52
  6. Step 6: Final answer
    x = 566,215.62

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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.