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Finding the Fourth Proportional to 417,546.46, 625,761.33 and 217,446.76

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Solution

The fourth proportional to 417,546.46, 625,761.33 and 217,446.76 is: 325,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,546.46 : 625,761.33 = 217,446.76 : x
  2. Step 2: Convert to fraction form
    417,546.46/625,761.33 = 217,446.76/x
  3. Step 3: Cross multiply
    417,546.46x = 625,761.33 × 217,446.76
  4. Step 4: Simplify right side
    417,546.46x = 136,069,773,741.79
  5. Step 5: Solve for x
    x = 136,069,773,741.79/417,546.46
  6. Step 6: Final answer
    x = 325,879.36

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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.