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Finding the Fourth Proportional to 359,252.96, 495,757.68 and 198,114.80

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Solution

The fourth proportional to 359,252.96, 495,757.68 and 198,114.80 is: 273,392.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,252.96 : 495,757.68 = 198,114.80 : x
  2. Step 2: Convert to fraction form
    359,252.96/495,757.68 = 198,114.80/x
  3. Step 3: Cross multiply
    359,252.96x = 495,757.68 × 198,114.80
  4. Step 4: Simplify right side
    359,252.96x = 98,216,933,621.66
  5. Step 5: Solve for x
    x = 98,216,933,621.66/359,252.96
  6. Step 6: Final answer
    x = 273,392.13

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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.