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Finding the Fourth Proportional to 962.52, 1,441.49 and 614.76

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Solution

The fourth proportional to 962.52, 1,441.49 and 614.76 is: 920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.52 : 1,441.49 = 614.76 : x
  2. Step 2: Convert to fraction form
    962.52/1,441.49 = 614.76/x
  3. Step 3: Cross multiply
    962.52x = 1,441.49 × 614.76
  4. Step 4: Simplify right side
    962.52x = 886,167.32
  5. Step 5: Solve for x
    x = 886,167.32/962.52
  6. Step 6: Final answer
    x = 920.67

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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.