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Finding the Fourth Proportional to 475,275.38, 655,773.62 and 271,261.08

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Solution

The fourth proportional to 475,275.38, 655,773.62 and 271,261.08 is: 374,279.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,275.38 : 655,773.62 = 271,261.08 : x
  2. Step 2: Convert to fraction form
    475,275.38/655,773.62 = 271,261.08/x
  3. Step 3: Cross multiply
    475,275.38x = 655,773.62 × 271,261.08
  4. Step 4: Simplify right side
    475,275.38x = 177,885,859,040.40
  5. Step 5: Solve for x
    x = 177,885,859,040.40/475,275.38
  6. Step 6: Final answer
    x = 374,279.56

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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.