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Finding the Fourth Proportional to 541,393.23, 811,761 and 271,207.15

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Solution

The fourth proportional to 541,393.23, 811,761 and 271,207.15 is: 406,645.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,393.23 : 811,761 = 271,207.15 : x
  2. Step 2: Convert to fraction form
    541,393.23/811,761 = 271,207.15/x
  3. Step 3: Cross multiply
    541,393.23x = 811,761 × 271,207.15
  4. Step 4: Simplify right side
    541,393.23x = 220,155,387,291.15
  5. Step 5: Solve for x
    x = 220,155,387,291.15/541,393.23
  6. Step 6: Final answer
    x = 406,645.99

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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.