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Finding the Fourth Proportional to 663,833.92, 995,754 and 165,197.92

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Solution

The fourth proportional to 663,833.92, 995,754 and 165,197.92 is: 247,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,833.92 : 995,754 = 165,197.92 : x
  2. Step 2: Convert to fraction form
    663,833.92/995,754 = 165,197.92/x
  3. Step 3: Cross multiply
    663,833.92x = 995,754 × 165,197.92
  4. Step 4: Simplify right side
    663,833.92x = 164,496,489,631.68
  5. Step 5: Solve for x
    x = 164,496,489,631.68/663,833.92
  6. Step 6: Final answer
    x = 247,797.66

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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.