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Finding the Fourth Proportional to 263,472.62, 363,593.12 and 142,613.86

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Solution

The fourth proportional to 263,472.62, 363,593.12 and 142,613.86 is: 196,807.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,472.62 : 363,593.12 = 142,613.86 : x
  2. Step 2: Convert to fraction form
    263,472.62/363,593.12 = 142,613.86/x
  3. Step 3: Cross multiply
    263,472.62x = 363,593.12 × 142,613.86
  4. Step 4: Simplify right side
    263,472.62x = 51,853,418,312.64
  5. Step 5: Solve for x
    x = 51,853,418,312.64/263,472.62
  6. Step 6: Final answer
    x = 196,807.62

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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.