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Finding the Fourth Proportional to 414.24, 571.80 and 267.06

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Solution

The fourth proportional to 414.24, 571.80 and 267.06 is: 368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    414.24 : 571.80 = 267.06 : x
  2. Step 2: Convert to fraction form
    414.24/571.80 = 267.06/x
  3. Step 3: Cross multiply
    414.24x = 571.80 × 267.06
  4. Step 4: Simplify right side
    414.24x = 152,704.91
  5. Step 5: Solve for x
    x = 152,704.91/414.24
  6. Step 6: Final answer
    x = 368.64

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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.