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Finding the Fourth Proportional to 663,614.92, 995,426.03 and 164,978.92

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Solution

The fourth proportional to 663,614.92, 995,426.03 and 164,978.92 is: 247,469.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,614.92 : 995,426.03 = 164,978.92 : x
  2. Step 2: Convert to fraction form
    663,614.92/995,426.03 = 164,978.92/x
  3. Step 3: Cross multiply
    663,614.92x = 995,426.03 × 164,978.92
  4. Step 4: Simplify right side
    663,614.92x = 164,224,311,369.29
  5. Step 5: Solve for x
    x = 164,224,311,369.29/663,614.92
  6. Step 6: Final answer
    x = 247,469.29

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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.