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Finding the Fourth Proportional to 616,417.20, 924,042.60 and 363,891.60

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Solution

The fourth proportional to 616,417.20, 924,042.60 and 363,891.60 is: 545,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,417.20 : 924,042.60 = 363,891.60 : x
  2. Step 2: Convert to fraction form
    616,417.20/924,042.60 = 363,891.60/x
  3. Step 3: Cross multiply
    616,417.20x = 924,042.60 × 363,891.60
  4. Step 4: Simplify right side
    616,417.20x = 336,251,340,182.16
  5. Step 5: Solve for x
    x = 336,251,340,182.16/616,417.20
  6. Step 6: Final answer
    x = 545,493.12

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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.