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Finding the Fourth Proportional to 267,489.56, 400,951.55 and 98,901.63

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Solution

The fourth proportional to 267,489.56, 400,951.55 and 98,901.63 is: 148,247.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,489.56 : 400,951.55 = 98,901.63 : x
  2. Step 2: Convert to fraction form
    267,489.56/400,951.55 = 98,901.63/x
  3. Step 3: Cross multiply
    267,489.56x = 400,951.55 × 98,901.63
  4. Step 4: Simplify right side
    267,489.56x = 39,654,762,093.28
  5. Step 5: Solve for x
    x = 39,654,762,093.28/267,489.56
  6. Step 6: Final answer
    x = 148,247.89

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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.