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Finding the Fourth Proportional to 625,337.20, 937,787.10 and 325,718.20

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Solution

The fourth proportional to 625,337.20, 937,787.10 and 325,718.20 is: 488,463.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,337.20 : 937,787.10 = 325,718.20 : x
  2. Step 2: Convert to fraction form
    625,337.20/937,787.10 = 325,718.20/x
  3. Step 3: Cross multiply
    625,337.20x = 937,787.10 × 325,718.20
  4. Step 4: Simplify right side
    625,337.20x = 305,454,326,195.22
  5. Step 5: Solve for x
    x = 305,454,326,195.22/625,337.20
  6. Step 6: Final answer
    x = 488,463.39

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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.