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Finding the Fourth Proportional to 359,169.80, 495,676.62 and 198,024.57

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Solution

The fourth proportional to 359,169.80, 495,676.62 and 198,024.57 is: 273,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,169.80 : 495,676.62 = 198,024.57 : x
  2. Step 2: Convert to fraction form
    359,169.80/495,676.62 = 198,024.57/x
  3. Step 3: Cross multiply
    359,169.80x = 495,676.62 × 198,024.57
  4. Step 4: Simplify right side
    359,169.80x = 98,156,149,534.55
  5. Step 5: Solve for x
    x = 98,156,149,534.55/359,169.80
  6. Step 6: Final answer
    x = 273,286.20

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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.