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Finding the Fourth Proportional to 324,773.12, 487,162.24 and 114,362.88

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Solution

The fourth proportional to 324,773.12, 487,162.24 and 114,362.88 is: 171,545.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,773.12 : 487,162.24 = 114,362.88 : x
  2. Step 2: Convert to fraction form
    324,773.12/487,162.24 = 114,362.88/x
  3. Step 3: Cross multiply
    324,773.12x = 487,162.24 × 114,362.88
  4. Step 4: Simplify right side
    324,773.12x = 55,713,276,793.65
  5. Step 5: Solve for x
    x = 55,713,276,793.65/324,773.12
  6. Step 6: Final answer
    x = 171,545.22

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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.