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Finding the Fourth Proportional to 299,877.56, 449,594.12 and 181,520.90

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Solution

The fourth proportional to 299,877.56, 449,594.12 and 181,520.90 is: 272,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,877.56 : 449,594.12 = 181,520.90 : x
  2. Step 2: Convert to fraction form
    299,877.56/449,594.12 = 181,520.90/x
  3. Step 3: Cross multiply
    299,877.56x = 449,594.12 × 181,520.90
  4. Step 4: Simplify right side
    299,877.56x = 81,610,726,141.53
  5. Step 5: Solve for x
    x = 81,610,726,141.53/299,877.56
  6. Step 6: Final answer
    x = 272,146.83

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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.