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Finding the Fourth Proportional to 951.67, 1,427.70 and 366.67

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Solution

The fourth proportional to 951.67, 1,427.70 and 366.67 is: 550.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.67 : 1,427.70 = 366.67 : x
  2. Step 2: Convert to fraction form
    951.67/1,427.70 = 366.67/x
  3. Step 3: Cross multiply
    951.67x = 1,427.70 × 366.67
  4. Step 4: Simplify right side
    951.67x = 523,494.76
  5. Step 5: Solve for x
    x = 523,494.76/951.67
  6. Step 6: Final answer
    x = 550.08

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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.