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Finding the Fourth Proportional to 551,120.96, 826,691.04 and 151,759.68

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Solution

The fourth proportional to 551,120.96, 826,691.04 and 151,759.68 is: 227,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,120.96 : 826,691.04 = 151,759.68 : x
  2. Step 2: Convert to fraction form
    551,120.96/826,691.04 = 151,759.68/x
  3. Step 3: Cross multiply
    551,120.96x = 826,691.04 × 151,759.68
  4. Step 4: Simplify right side
    551,120.96x = 125,458,367,689.27
  5. Step 5: Solve for x
    x = 125,458,367,689.27/551,120.96
  6. Step 6: Final answer
    x = 227,642.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.