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Finding the Fourth Proportional to 663,722.88, 995,582.43 and 165,086.88

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Solution

The fourth proportional to 663,722.88, 995,582.43 and 165,086.88 is: 247,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,722.88 : 995,582.43 = 165,086.88 : x
  2. Step 2: Convert to fraction form
    663,722.88/995,582.43 = 165,086.88/x
  3. Step 3: Cross multiply
    663,722.88x = 995,582.43 × 165,086.88
  4. Step 4: Simplify right side
    663,722.88x = 164,357,597,151.52
  5. Step 5: Solve for x
    x = 164,357,597,151.52/663,722.88
  6. Step 6: Final answer
    x = 247,629.85

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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.