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Finding the Fourth Proportional to 951.95, 1,427.02 and 366.53

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Solution

The fourth proportional to 951.95, 1,427.02 and 366.53 is: 549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.95 : 1,427.02 = 366.53 : x
  2. Step 2: Convert to fraction form
    951.95/1,427.02 = 366.53/x
  3. Step 3: Cross multiply
    951.95x = 1,427.02 × 366.53
  4. Step 4: Simplify right side
    951.95x = 523,037.59
  5. Step 5: Solve for x
    x = 523,037.59/951.95
  6. Step 6: Final answer
    x = 549.44

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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.