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Finding the Fourth Proportional to 447,442.39, 617,470.32 and 246,238.39

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Solution

The fourth proportional to 447,442.39, 617,470.32 and 246,238.39 is: 339,808.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,442.39 : 617,470.32 = 246,238.39 : x
  2. Step 2: Convert to fraction form
    447,442.39/617,470.32 = 246,238.39/x
  3. Step 3: Cross multiply
    447,442.39x = 617,470.32 × 246,238.39
  4. Step 4: Simplify right side
    447,442.39x = 152,044,897,469.59
  5. Step 5: Solve for x
    x = 152,044,897,469.59/447,442.39
  6. Step 6: Final answer
    x = 339,808.88

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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.