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Finding the Fourth Proportional to 437,360.31, 655,654.10 and 170,934.71

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Solution

The fourth proportional to 437,360.31, 655,654.10 and 170,934.71 is: 256,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,360.31 : 655,654.10 = 170,934.71 : x
  2. Step 2: Convert to fraction form
    437,360.31/655,654.10 = 170,934.71/x
  3. Step 3: Cross multiply
    437,360.31x = 655,654.10 × 170,934.71
  4. Step 4: Simplify right side
    437,360.31x = 112,074,039,310.87
  5. Step 5: Solve for x
    x = 112,074,039,310.87/437,360.31
  6. Step 6: Final answer
    x = 256,251.05

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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.