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Finding the Fourth Proportional to 514,179.68, 709,559.06 and 284,732.42

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Solution

The fourth proportional to 514,179.68, 709,559.06 and 284,732.42 is: 392,925.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,179.68 : 709,559.06 = 284,732.42 : x
  2. Step 2: Convert to fraction form
    514,179.68/709,559.06 = 284,732.42/x
  3. Step 3: Cross multiply
    514,179.68x = 709,559.06 × 284,732.42
  4. Step 4: Simplify right side
    514,179.68x = 202,034,468,286.73
  5. Step 5: Solve for x
    x = 202,034,468,286.73/514,179.68
  6. Step 6: Final answer
    x = 392,925.81

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1.5x scale

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.