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Finding the Fourth Proportional to 442,191.92, 663,124.68 and 157,806.38

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Solution

The fourth proportional to 442,191.92, 663,124.68 and 157,806.38 is: 236,651.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,191.92 : 663,124.68 = 157,806.38 : x
  2. Step 2: Convert to fraction form
    442,191.92/663,124.68 = 157,806.38/x
  3. Step 3: Cross multiply
    442,191.92x = 663,124.68 × 157,806.38
  4. Step 4: Simplify right side
    442,191.92x = 104,645,305,239.46
  5. Step 5: Solve for x
    x = 104,645,305,239.46/442,191.92
  6. Step 6: Final answer
    x = 236,651.33

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1.5x scale

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.