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Finding the Fourth Proportional to 447,523.38, 617,582.34 and 246,319.38

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Solution

The fourth proportional to 447,523.38, 617,582.34 and 246,319.38 is: 339,920.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,523.38 : 617,582.34 = 246,319.38 : x
  2. Step 2: Convert to fraction form
    447,523.38/617,582.34 = 246,319.38/x
  3. Step 3: Cross multiply
    447,523.38x = 617,582.34 × 246,319.38
  4. Step 4: Simplify right side
    447,523.38x = 152,122,499,087.75
  5. Step 5: Solve for x
    x = 152,122,499,087.75/447,523.38
  6. Step 6: Final answer
    x = 339,920.79

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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.