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Finding the Fourth Proportional to 555,538.53, 832,928.76 and 267,197.97

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Solution

The fourth proportional to 555,538.53, 832,928.76 and 267,197.97 is: 400,614.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,538.53 : 832,928.76 = 267,197.97 : x
  2. Step 2: Convert to fraction form
    555,538.53/832,928.76 = 267,197.97/x
  3. Step 3: Cross multiply
    555,538.53x = 832,928.76 × 267,197.97
  4. Step 4: Simplify right side
    555,538.53x = 222,556,873,826.62
  5. Step 5: Solve for x
    x = 222,556,873,826.62/555,538.53
  6. Step 6: Final answer
    x = 400,614.65

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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.