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Finding the Fourth Proportional to 463,278.57, 639,335.24 and 259,324.41

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Solution

The fourth proportional to 463,278.57, 639,335.24 and 259,324.41 is: 357,873.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,278.57 : 639,335.24 = 259,324.41 : x
  2. Step 2: Convert to fraction form
    463,278.57/639,335.24 = 259,324.41/x
  3. Step 3: Cross multiply
    463,278.57x = 639,335.24 × 259,324.41
  4. Step 4: Simplify right side
    463,278.57x = 165,795,229,411.91
  5. Step 5: Solve for x
    x = 165,795,229,411.91/463,278.57
  6. Step 6: Final answer
    x = 357,873.73

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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.