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Finding the Fourth Proportional to 442,596.38, 662,773.47 and 274,445.10

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Solution

The fourth proportional to 442,596.38, 662,773.47 and 274,445.10 is: 410,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,596.38 : 662,773.47 = 274,445.10 : x
  2. Step 2: Convert to fraction form
    442,596.38/662,773.47 = 274,445.10/x
  3. Step 3: Cross multiply
    442,596.38x = 662,773.47 × 274,445.10
  4. Step 4: Simplify right side
    442,596.38x = 181,894,931,251.50
  5. Step 5: Solve for x
    x = 181,894,931,251.50/442,596.38
  6. Step 6: Final answer
    x = 410,972.48

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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.