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Finding the Fourth Proportional to 625,345.20, 937,799.10 and 325,726.20

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Solution

The fourth proportional to 625,345.20, 937,799.10 and 325,726.20 is: 488,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,345.20 : 937,799.10 = 325,726.20 : x
  2. Step 2: Convert to fraction form
    625,345.20/937,799.10 = 325,726.20/x
  3. Step 3: Cross multiply
    625,345.20x = 937,799.10 × 325,726.20
  4. Step 4: Simplify right side
    625,345.20x = 305,465,737,206.42
  5. Step 5: Solve for x
    x = 305,465,737,206.42/625,345.20
  6. Step 6: Final answer
    x = 488,475.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.