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Finding the Fourth Proportional to 581,504.46, 802,358.55 and 339,740.34

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Solution

The fourth proportional to 581,504.46, 802,358.55 and 339,740.34 is: 468,772.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,504.46 : 802,358.55 = 339,740.34 : x
  2. Step 2: Convert to fraction form
    581,504.46/802,358.55 = 339,740.34/x
  3. Step 3: Cross multiply
    581,504.46x = 802,358.55 × 339,740.34
  4. Step 4: Simplify right side
    581,504.46x = 272,593,566,578.91
  5. Step 5: Solve for x
    x = 272,593,566,578.91/581,504.46
  6. Step 6: Final answer
    x = 468,772.96

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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.