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Finding the Fourth Proportional to 416,918.88, 625,369.68 and 101,377.44

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Solution

The fourth proportional to 416,918.88, 625,369.68 and 101,377.44 is: 152,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,918.88 : 625,369.68 = 101,377.44 : x
  2. Step 2: Convert to fraction form
    416,918.88/625,369.68 = 101,377.44/x
  3. Step 3: Cross multiply
    416,918.88x = 625,369.68 × 101,377.44
  4. Step 4: Simplify right side
    416,918.88x = 63,398,377,212.02
  5. Step 5: Solve for x
    x = 63,398,377,212.02/416,918.88
  6. Step 6: Final answer
    x = 152,064.06

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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.