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Finding the Fourth Proportional to 706.17, 1,058.96 and 267.35

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Solution

The fourth proportional to 706.17, 1,058.96 and 267.35 is: 400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.17 : 1,058.96 = 267.35 : x
  2. Step 2: Convert to fraction form
    706.17/1,058.96 = 267.35/x
  3. Step 3: Cross multiply
    706.17x = 1,058.96 × 267.35
  4. Step 4: Simplify right side
    706.17x = 283,114.29
  5. Step 5: Solve for x
    x = 283,114.29/706.17
  6. Step 6: Final answer
    x = 400.92

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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.