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Finding the Fourth Proportional to 324,793.53, 487,179.36 and 114,426

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Solution

The fourth proportional to 324,793.53, 487,179.36 and 114,426 is: 171,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,793.53 : 487,179.36 = 114,426 : x
  2. Step 2: Convert to fraction form
    324,793.53/487,179.36 = 114,426/x
  3. Step 3: Cross multiply
    324,793.53x = 487,179.36 × 114,426
  4. Step 4: Simplify right side
    324,793.53x = 55,745,985,447.36
  5. Step 5: Solve for x
    x = 55,745,985,447.36/324,793.53
  6. Step 6: Final answer
    x = 171,635.15

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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.