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Finding the Fourth Proportional to 342,882.34, 514,179.24 and 129,614.38

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Solution

The fourth proportional to 342,882.34, 514,179.24 and 129,614.38 is: 194,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,882.34 : 514,179.24 = 129,614.38 : x
  2. Step 2: Convert to fraction form
    342,882.34/514,179.24 = 129,614.38/x
  3. Step 3: Cross multiply
    342,882.34x = 514,179.24 × 129,614.38
  4. Step 4: Simplify right side
    342,882.34x = 66,645,023,401.47
  5. Step 5: Solve for x
    x = 66,645,023,401.47/342,882.34
  6. Step 6: Final answer
    x = 194,367.03

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1.5x scale

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.