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Finding the Fourth Proportional to 463,229.57, 639,250.53 and 259,280.43

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Solution

The fourth proportional to 463,229.57, 639,250.53 and 259,280.43 is: 357,803.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,229.57 : 639,250.53 = 259,280.43 : x
  2. Step 2: Convert to fraction form
    463,229.57/639,250.53 = 259,280.43/x
  3. Step 3: Cross multiply
    463,229.57x = 639,250.53 × 259,280.43
  4. Step 4: Simplify right side
    463,229.57x = 165,745,152,296.13
  5. Step 5: Solve for x
    x = 165,745,152,296.13/463,229.57
  6. Step 6: Final answer
    x = 357,803.48

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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.