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Finding the Fourth Proportional to 663,665.75, 995,502.27 and 165,029.75

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Solution

The fourth proportional to 663,665.75, 995,502.27 and 165,029.75 is: 247,545.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,665.75 : 995,502.27 = 165,029.75 : x
  2. Step 2: Convert to fraction form
    663,665.75/995,502.27 = 165,029.75/x
  3. Step 3: Cross multiply
    663,665.75x = 995,502.27 × 165,029.75
  4. Step 4: Simplify right side
    663,665.75x = 164,287,490,742.53
  5. Step 5: Solve for x
    x = 164,287,490,742.53/663,665.75
  6. Step 6: Final answer
    x = 247,545.53

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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.