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Finding the Fourth Proportional to 663,718.38, 995,575.68 and 165,082.38

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Solution

The fourth proportional to 663,718.38, 995,575.68 and 165,082.38 is: 247,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,718.38 : 995,575.68 = 165,082.38 : x
  2. Step 2: Convert to fraction form
    663,718.38/995,575.68 = 165,082.38/x
  3. Step 3: Cross multiply
    663,718.38x = 995,575.68 × 165,082.38
  4. Step 4: Simplify right side
    663,718.38x = 164,352,002,724.52
  5. Step 5: Solve for x
    x = 164,352,002,724.52/663,718.38
  6. Step 6: Final answer
    x = 247,623.10

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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.