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Finding the Fourth Proportional to 463,072.59, 639,018.45 and 259,149.42

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Solution

The fourth proportional to 463,072.59, 639,018.45 and 259,149.42 is: 357,614.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,072.59 : 639,018.45 = 259,149.42 : x
  2. Step 2: Convert to fraction form
    463,072.59/639,018.45 = 259,149.42/x
  3. Step 3: Cross multiply
    463,072.59x = 639,018.45 × 259,149.42
  4. Step 4: Simplify right side
    463,072.59x = 165,601,260,686.80
  5. Step 5: Solve for x
    x = 165,601,260,686.80/463,072.59
  6. Step 6: Final answer
    x = 357,614.04

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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.