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Finding the Fourth Proportional to 951.42, 1,427.04 and 586.26

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Solution

The fourth proportional to 951.42, 1,427.04 and 586.26 is: 879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.42 : 1,427.04 = 586.26 : x
  2. Step 2: Convert to fraction form
    951.42/1,427.04 = 586.26/x
  3. Step 3: Cross multiply
    951.42x = 1,427.04 × 586.26
  4. Step 4: Simplify right side
    951.42x = 836,616.47
  5. Step 5: Solve for x
    x = 836,616.47/951.42
  6. Step 6: Final answer
    x = 879.33

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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.