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Finding the Fourth Proportional to 625,093.10, 862,628.42 and 338,613.12

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Solution

The fourth proportional to 625,093.10, 862,628.42 and 338,613.12 is: 467,286.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,093.10 : 862,628.42 = 338,613.12 : x
  2. Step 2: Convert to fraction form
    625,093.10/862,628.42 = 338,613.12/x
  3. Step 3: Cross multiply
    625,093.10x = 862,628.42 × 338,613.12
  4. Step 4: Simplify right side
    625,093.10x = 292,097,300,696.87
  5. Step 5: Solve for x
    x = 292,097,300,696.87/625,093.10
  6. Step 6: Final answer
    x = 467,286.07

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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.