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Finding the Fourth Proportional to 951.12, 1,427.22 and 586.80

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Solution

The fourth proportional to 951.12, 1,427.22 and 586.80 is: 880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.12 : 1,427.22 = 586.80 : x
  2. Step 2: Convert to fraction form
    951.12/1,427.22 = 586.80/x
  3. Step 3: Cross multiply
    951.12x = 1,427.22 × 586.80
  4. Step 4: Simplify right side
    951.12x = 837,492.70
  5. Step 5: Solve for x
    x = 837,492.70/951.12
  6. Step 6: Final answer
    x = 880.53

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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.