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Finding the Fourth Proportional to 463,367, 639,116.79 and 425,249.62

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Solution

The fourth proportional to 463,367, 639,116.79 and 425,249.62 is: 586,541.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,367 : 639,116.79 = 425,249.62 : x
  2. Step 2: Convert to fraction form
    463,367/639,116.79 = 425,249.62/x
  3. Step 3: Cross multiply
    463,367x = 639,116.79 × 425,249.62
  4. Step 4: Simplify right side
    463,367x = 271,784,172,083.12
  5. Step 5: Solve for x
    x = 271,784,172,083.12/463,367
  6. Step 6: Final answer
    x = 586,541.92

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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.