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Finding the Fourth Proportional to 625,094.60, 862,630.49 and 338,614.62

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Solution

The fourth proportional to 625,094.60, 862,630.49 and 338,614.62 is: 467,288.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,094.60 : 862,630.49 = 338,614.62 : x
  2. Step 2: Convert to fraction form
    625,094.60/862,630.49 = 338,614.62/x
  3. Step 3: Cross multiply
    625,094.60x = 862,630.49 × 338,614.62
  4. Step 4: Simplify right side
    625,094.60x = 292,099,295,571.76
  5. Step 5: Solve for x
    x = 292,099,295,571.76/625,094.60
  6. Step 6: Final answer
    x = 467,288.14

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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.