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Finding the Fourth Proportional to 417,279.06, 625,761.45 and 150,973.74

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Solution

The fourth proportional to 417,279.06, 625,761.45 and 150,973.74 is: 226,403.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,279.06 : 625,761.45 = 150,973.74 : x
  2. Step 2: Convert to fraction form
    417,279.06/625,761.45 = 150,973.74/x
  3. Step 3: Cross multiply
    417,279.06x = 625,761.45 × 150,973.74
  4. Step 4: Simplify right side
    417,279.06x = 94,473,546,454.32
  5. Step 5: Solve for x
    x = 94,473,546,454.32/417,279.06
  6. Step 6: Final answer
    x = 226,403.76

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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.