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Finding the Fourth Proportional to 625,133.49, 862,682.95 and 338,654.26

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Solution

The fourth proportional to 625,133.49, 862,682.95 and 338,654.26 is: 467,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,133.49 : 862,682.95 = 338,654.26 : x
  2. Step 2: Convert to fraction form
    625,133.49/862,682.95 = 338,654.26/x
  3. Step 3: Cross multiply
    625,133.49x = 862,682.95 × 338,654.26
  4. Step 4: Simplify right side
    625,133.49x = 292,151,256,046.87
  5. Step 5: Solve for x
    x = 292,151,256,046.87/625,133.49
  6. Step 6: Final answer
    x = 467,342.19

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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.