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Finding the Fourth Proportional to 359,167.68, 495,654.90 and 198,029.10

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Solution

The fourth proportional to 359,167.68, 495,654.90 and 198,029.10 is: 273,282.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,167.68 : 495,654.90 = 198,029.10 : x
  2. Step 2: Convert to fraction form
    359,167.68/495,654.90 = 198,029.10/x
  3. Step 3: Cross multiply
    359,167.68x = 495,654.90 × 198,029.10
  4. Step 4: Simplify right side
    359,167.68x = 98,154,093,757.59
  5. Step 5: Solve for x
    x = 98,154,093,757.59/359,167.68
  6. Step 6: Final answer
    x = 273,282.09

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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.