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Finding the Fourth Proportional to 269,393.36, 371,765.34 and 148,538.97

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Solution

The fourth proportional to 269,393.36, 371,765.34 and 148,538.97 is: 204,985.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,393.36 : 371,765.34 = 148,538.97 : x
  2. Step 2: Convert to fraction form
    269,393.36/371,765.34 = 148,538.97/x
  3. Step 3: Cross multiply
    269,393.36x = 371,765.34 × 148,538.97
  4. Step 4: Simplify right side
    269,393.36x = 55,221,640,685.30
  5. Step 5: Solve for x
    x = 55,221,640,685.30/269,393.36
  6. Step 6: Final answer
    x = 204,985.16

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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.