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Finding the Fourth Proportional to 581,336.57, 802,463.67 and 339,697.68

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Solution

The fourth proportional to 581,336.57, 802,463.67 and 339,697.68 is: 468,910.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,336.57 : 802,463.67 = 339,697.68 : x
  2. Step 2: Convert to fraction form
    581,336.57/802,463.67 = 339,697.68/x
  3. Step 3: Cross multiply
    581,336.57x = 802,463.67 × 339,697.68
  4. Step 4: Simplify right side
    581,336.57x = 272,595,046,983.29
  5. Step 5: Solve for x
    x = 272,595,046,983.29/581,336.57
  6. Step 6: Final answer
    x = 468,910.89

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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.