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Finding the Fourth Proportional to 270,115.97, 372,315.49 and 191,560.14

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Solution

The fourth proportional to 270,115.97, 372,315.49 and 191,560.14 is: 264,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,115.97 : 372,315.49 = 191,560.14 : x
  2. Step 2: Convert to fraction form
    270,115.97/372,315.49 = 191,560.14/x
  3. Step 3: Cross multiply
    270,115.97x = 372,315.49 × 191,560.14
  4. Step 4: Simplify right side
    270,115.97x = 71,320,806,909.67
  5. Step 5: Solve for x
    x = 71,320,806,909.67/270,115.97
  6. Step 6: Final answer
    x = 264,037.73

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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.