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Finding the Fourth Proportional to 551,043.70, 826,565.55 and 151,746.10

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Solution

The fourth proportional to 551,043.70, 826,565.55 and 151,746.10 is: 227,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,043.70 : 826,565.55 = 151,746.10 : x
  2. Step 2: Convert to fraction form
    551,043.70/826,565.55 = 151,746.10/x
  3. Step 3: Cross multiply
    551,043.70x = 826,565.55 × 151,746.10
  4. Step 4: Simplify right side
    551,043.70x = 125,428,098,606.86
  5. Step 5: Solve for x
    x = 125,428,098,606.86/551,043.70
  6. Step 6: Final answer
    x = 227,619.15

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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.