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Finding the Fourth Proportional to 299,400.30, 449,100.45 and 181,010.70

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Solution

The fourth proportional to 299,400.30, 449,100.45 and 181,010.70 is: 271,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,400.30 : 449,100.45 = 181,010.70 : x
  2. Step 2: Convert to fraction form
    299,400.30/449,100.45 = 181,010.70/x
  3. Step 3: Cross multiply
    299,400.30x = 449,100.45 × 181,010.70
  4. Step 4: Simplify right side
    299,400.30x = 81,291,986,824.82
  5. Step 5: Solve for x
    x = 81,291,986,824.82/299,400.30
  6. Step 6: Final answer
    x = 271,516.05

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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.