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Finding the Fourth Proportional to 417,219.86, 625,553.28 and 150,945.73

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Solution

The fourth proportional to 417,219.86, 625,553.28 and 150,945.73 is: 226,318.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,219.86 : 625,553.28 = 150,945.73 : x
  2. Step 2: Convert to fraction form
    417,219.86/625,553.28 = 150,945.73/x
  3. Step 3: Cross multiply
    417,219.86x = 625,553.28 × 150,945.73
  4. Step 4: Simplify right side
    417,219.86x = 94,424,594,939.61
  5. Step 5: Solve for x
    x = 94,424,594,939.61/417,219.86
  6. Step 6: Final answer
    x = 226,318.55

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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.