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Finding the Fourth Proportional to 203,419.44, 280,619.10 and 176,524.20

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Solution

The fourth proportional to 203,419.44, 280,619.10 and 176,524.20 is: 243,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,419.44 : 280,619.10 = 176,524.20 : x
  2. Step 2: Convert to fraction form
    203,419.44/280,619.10 = 176,524.20/x
  3. Step 3: Cross multiply
    203,419.44x = 280,619.10 × 176,524.20
  4. Step 4: Simplify right side
    203,419.44x = 49,536,062,132.22
  5. Step 5: Solve for x
    x = 49,536,062,132.22/203,419.44
  6. Step 6: Final answer
    x = 243,516.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.