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Finding the Fourth Proportional to 203,412.94, 280,610.13 and 176,517.70

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Solution

The fourth proportional to 203,412.94, 280,610.13 and 176,517.70 is: 243,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,412.94 : 280,610.13 = 176,517.70 : x
  2. Step 2: Convert to fraction form
    203,412.94/280,610.13 = 176,517.70/x
  3. Step 3: Cross multiply
    203,412.94x = 280,610.13 × 176,517.70
  4. Step 4: Simplify right side
    203,412.94x = 49,532,654,744.30
  5. Step 5: Solve for x
    x = 49,532,654,744.30/203,412.94
  6. Step 6: Final answer
    x = 243,507.88

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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.