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Finding the Fourth Proportional to 663,838.48, 995,757.96 and 165,202.48

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Solution

The fourth proportional to 663,838.48, 995,757.96 and 165,202.48 is: 247,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,838.48 : 995,757.96 = 165,202.48 : x
  2. Step 2: Convert to fraction form
    663,838.48/995,757.96 = 165,202.48/x
  3. Step 3: Cross multiply
    663,838.48x = 995,757.96 × 165,202.48
  4. Step 4: Simplify right side
    663,838.48x = 164,501,684,471.74
  5. Step 5: Solve for x
    x = 164,501,684,471.74/663,838.48
  6. Step 6: Final answer
    x = 247,803.78

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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.