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Finding the Fourth Proportional to 716.27, 1,073.52 and 510.41

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Solution

The fourth proportional to 716.27, 1,073.52 and 510.41 is: 764.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    716.27 : 1,073.52 = 510.41 : x
  2. Step 2: Convert to fraction form
    716.27/1,073.52 = 510.41/x
  3. Step 3: Cross multiply
    716.27x = 1,073.52 × 510.41
  4. Step 4: Simplify right side
    716.27x = 547,938.03
  5. Step 5: Solve for x
    x = 547,938.03/716.27
  6. Step 6: Final answer
    x = 764.99

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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.