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Finding the Fourth Proportional to 417,344.73, 625,944.39 and 192,685.97

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Solution

The fourth proportional to 417,344.73, 625,944.39 and 192,685.97 is: 288,995.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,344.73 : 625,944.39 = 192,685.97 : x
  2. Step 2: Convert to fraction form
    417,344.73/625,944.39 = 192,685.97/x
  3. Step 3: Cross multiply
    417,344.73x = 625,944.39 × 192,685.97
  4. Step 4: Simplify right side
    417,344.73x = 120,610,698,823.49
  5. Step 5: Solve for x
    x = 120,610,698,823.49/417,344.73
  6. Step 6: Final answer
    x = 288,995.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.