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Finding the Fourth Proportional to 625,072.64, 862,604.36 and 338,592.71

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Solution

The fourth proportional to 625,072.64, 862,604.36 and 338,592.71 is: 467,260.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,072.64 : 862,604.36 = 338,592.71 : x
  2. Step 2: Convert to fraction form
    625,072.64/862,604.36 = 338,592.71/x
  3. Step 3: Cross multiply
    625,072.64x = 862,604.36 × 338,592.71
  4. Step 4: Simplify right side
    625,072.64x = 292,071,541,904.23
  5. Step 5: Solve for x
    x = 292,071,541,904.23/625,072.64
  6. Step 6: Final answer
    x = 467,260.16

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1.5x scale

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.