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Finding the Fourth Proportional to 616,255.20, 924,469.20 and 242,191.20

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Solution

The fourth proportional to 616,255.20, 924,469.20 and 242,191.20 is: 363,320.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,255.20 : 924,469.20 = 242,191.20 : x
  2. Step 2: Convert to fraction form
    616,255.20/924,469.20 = 242,191.20/x
  3. Step 3: Cross multiply
    616,255.20x = 924,469.20 × 242,191.20
  4. Step 4: Simplify right side
    616,255.20x = 223,898,304,911.04
  5. Step 5: Solve for x
    x = 223,898,304,911.04/616,255.20
  6. Step 6: Final answer
    x = 363,320.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.