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Finding the Fourth Proportional to 452,997.45, 625,140.72 and 249,049.83

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Solution

The fourth proportional to 452,997.45, 625,140.72 and 249,049.83 is: 343,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,997.45 : 625,140.72 = 249,049.83 : x
  2. Step 2: Convert to fraction form
    452,997.45/625,140.72 = 249,049.83/x
  3. Step 3: Cross multiply
    452,997.45x = 625,140.72 × 249,049.83
  4. Step 4: Simplify right side
    452,997.45x = 155,691,190,042.08
  5. Step 5: Solve for x
    x = 155,691,190,042.08/452,997.45
  6. Step 6: Final answer
    x = 343,691.10

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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.