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Finding the Fourth Proportional to 300,132.30, 449,593.65 and 187,466.70

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Solution

The fourth proportional to 300,132.30, 449,593.65 and 187,466.70 is: 280,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,132.30 : 449,593.65 = 187,466.70 : x
  2. Step 2: Convert to fraction form
    300,132.30/449,593.65 = 187,466.70/x
  3. Step 3: Cross multiply
    300,132.30x = 449,593.65 × 187,466.70
  4. Step 4: Simplify right side
    300,132.30x = 84,283,837,906.46
  5. Step 5: Solve for x
    x = 84,283,837,906.46/300,132.30
  6. Step 6: Final answer
    x = 280,822.28

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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.