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Finding the Fourth Proportional to 551,951.72, 761,763.80 and 337,046.56

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Solution

The fourth proportional to 551,951.72, 761,763.80 and 337,046.56 is: 465,167.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,951.72 : 761,763.80 = 337,046.56 : x
  2. Step 2: Convert to fraction form
    551,951.72/761,763.80 = 337,046.56/x
  3. Step 3: Cross multiply
    551,951.72x = 761,763.80 × 337,046.56
  4. Step 4: Simplify right side
    551,951.72x = 256,749,868,322.53
  5. Step 5: Solve for x
    x = 256,749,868,322.53/551,951.72
  6. Step 6: Final answer
    x = 465,167.26

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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.