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Finding the Fourth Proportional to 956.34, 1,433.87 and 462.48

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Solution

The fourth proportional to 956.34, 1,433.87 and 462.48 is: 693.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.34 : 1,433.87 = 462.48 : x
  2. Step 2: Convert to fraction form
    956.34/1,433.87 = 462.48/x
  3. Step 3: Cross multiply
    956.34x = 1,433.87 × 462.48
  4. Step 4: Simplify right side
    956.34x = 663,136.20
  5. Step 5: Solve for x
    x = 663,136.20/956.34
  6. Step 6: Final answer
    x = 693.41

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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.