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Finding the Fourth Proportional to 442,227.45, 663,341.18 and 282,795.15

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Solution

The fourth proportional to 442,227.45, 663,341.18 and 282,795.15 is: 424,192.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,227.45 : 663,341.18 = 282,795.15 : x
  2. Step 2: Convert to fraction form
    442,227.45/663,341.18 = 282,795.15/x
  3. Step 3: Cross multiply
    442,227.45x = 663,341.18 × 282,795.15
  4. Step 4: Simplify right side
    442,227.45x = 187,589,667,085.30
  5. Step 5: Solve for x
    x = 187,589,667,085.30/442,227.45
  6. Step 6: Final answer
    x = 424,192.73

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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.