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Finding the Fourth Proportional to 416,776.52, 625,164.78 and 101,231.30

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Solution

The fourth proportional to 416,776.52, 625,164.78 and 101,231.30 is: 151,846.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,776.52 : 625,164.78 = 101,231.30 : x
  2. Step 2: Convert to fraction form
    416,776.52/625,164.78 = 101,231.30/x
  3. Step 3: Cross multiply
    416,776.52x = 625,164.78 × 101,231.30
  4. Step 4: Simplify right side
    416,776.52x = 63,286,240,267.79
  5. Step 5: Solve for x
    x = 63,286,240,267.79/416,776.52
  6. Step 6: Final answer
    x = 151,846.94

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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.