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Finding the Fourth Proportional to 269,774.28, 372,309.12 and 148,938.84

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Solution

The fourth proportional to 269,774.28, 372,309.12 and 148,938.84 is: 205,546.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,774.28 : 372,309.12 = 148,938.84 : x
  2. Step 2: Convert to fraction form
    269,774.28/372,309.12 = 148,938.84/x
  3. Step 3: Cross multiply
    269,774.28x = 372,309.12 × 148,938.84
  4. Step 4: Simplify right side
    269,774.28x = 55,451,288,454.22
  5. Step 5: Solve for x
    x = 55,451,288,454.22/269,774.28
  6. Step 6: Final answer
    x = 205,546.98

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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.