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Finding the Fourth Proportional to 499,693.88, 749,593.32 and 162,760.79

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Solution

The fourth proportional to 499,693.88, 749,593.32 and 162,760.79 is: 244,158.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,693.88 : 749,593.32 = 162,760.79 : x
  2. Step 2: Convert to fraction form
    499,693.88/749,593.32 = 162,760.79/x
  3. Step 3: Cross multiply
    499,693.88x = 749,593.32 × 162,760.79
  4. Step 4: Simplify right side
    499,693.88x = 122,004,400,941.92
  5. Step 5: Solve for x
    x = 122,004,400,941.92/499,693.88
  6. Step 6: Final answer
    x = 244,158.29

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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.