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Finding the Fourth Proportional to 625,094.10, 862,629.78 and 338,614.14

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Solution

The fourth proportional to 625,094.10, 862,629.78 and 338,614.14 is: 467,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,094.10 : 862,629.78 = 338,614.14 : x
  2. Step 2: Convert to fraction form
    625,094.10/862,629.78 = 338,614.14/x
  3. Step 3: Cross multiply
    625,094.10x = 862,629.78 × 338,614.14
  4. Step 4: Simplify right side
    625,094.10x = 292,098,641,093.09
  5. Step 5: Solve for x
    x = 292,098,641,093.09/625,094.10
  6. Step 6: Final answer
    x = 467,287.47

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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.