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Finding the Fourth Proportional to 591.56, 887.40 and 267.08

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Solution

The fourth proportional to 591.56, 887.40 and 267.08 is: 400.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.56 : 887.40 = 267.08 : x
  2. Step 2: Convert to fraction form
    591.56/887.40 = 267.08/x
  3. Step 3: Cross multiply
    591.56x = 887.40 × 267.08
  4. Step 4: Simplify right side
    591.56x = 237,006.79
  5. Step 5: Solve for x
    x = 237,006.79/591.56
  6. Step 6: Final answer
    x = 400.65

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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.