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Finding the Fourth Proportional to 442,593.74, 662,769.52 and 274,442.49

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Solution

The fourth proportional to 442,593.74, 662,769.52 and 274,442.49 is: 410,968.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,593.74 : 662,769.52 = 274,442.49 : x
  2. Step 2: Convert to fraction form
    442,593.74/662,769.52 = 274,442.49/x
  3. Step 3: Cross multiply
    442,593.74x = 662,769.52 × 274,442.49
  4. Step 4: Simplify right side
    442,593.74x = 181,892,116,678.80
  5. Step 5: Solve for x
    x = 181,892,116,678.80/442,593.74
  6. Step 6: Final answer
    x = 410,968.57

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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.