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Finding the Fourth Proportional to 732.96, 1,016.52 and 707.04

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Solution

The fourth proportional to 732.96, 1,016.52 and 707.04 is: 980.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.96 : 1,016.52 = 707.04 : x
  2. Step 2: Convert to fraction form
    732.96/1,016.52 = 707.04/x
  3. Step 3: Cross multiply
    732.96x = 1,016.52 × 707.04
  4. Step 4: Simplify right side
    732.96x = 718,720.30
  5. Step 5: Solve for x
    x = 718,720.30/732.96
  6. Step 6: Final answer
    x = 980.57

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.