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Finding the Fourth Proportional to 324,796.28, 487,292.82 and 147,255.62

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Solution

The fourth proportional to 324,796.28, 487,292.82 and 147,255.62 is: 220,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,796.28 : 487,292.82 = 147,255.62 : x
  2. Step 2: Convert to fraction form
    324,796.28/487,292.82 = 147,255.62/x
  3. Step 3: Cross multiply
    324,796.28x = 487,292.82 × 147,255.62
  4. Step 4: Simplify right side
    324,796.28x = 71,756,606,330.65
  5. Step 5: Solve for x
    x = 71,756,606,330.65/324,796.28
  6. Step 6: Final answer
    x = 220,928.04

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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.