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Finding the Fourth Proportional to 265,499.10, 398,449.13 and 181,059.03

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Solution

The fourth proportional to 265,499.10, 398,449.13 and 181,059.03 is: 271,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,499.10 : 398,449.13 = 181,059.03 : x
  2. Step 2: Convert to fraction form
    265,499.10/398,449.13 = 181,059.03/x
  3. Step 3: Cross multiply
    265,499.10x = 398,449.13 × 181,059.03
  4. Step 4: Simplify right side
    265,499.10x = 72,142,812,076.85
  5. Step 5: Solve for x
    x = 72,142,812,076.85/265,499.10
  6. Step 6: Final answer
    x = 271,725.26

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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.