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Finding the Fourth Proportional to 552,814.38, 762,502.14 and 338,060.12

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Solution

The fourth proportional to 552,814.38, 762,502.14 and 338,060.12 is: 466,289.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,814.38 : 762,502.14 = 338,060.12 : x
  2. Step 2: Convert to fraction form
    552,814.38/762,502.14 = 338,060.12/x
  3. Step 3: Cross multiply
    552,814.38x = 762,502.14 × 338,060.12
  4. Step 4: Simplify right side
    552,814.38x = 257,771,561,136.15
  5. Step 5: Solve for x
    x = 257,771,561,136.15/552,814.38
  6. Step 6: Final answer
    x = 466,289.54

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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.