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Finding the Fourth Proportional to 716.13, 1,073.52 and 283.14

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Solution

The fourth proportional to 716.13, 1,073.52 and 283.14 is: 424.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    716.13 : 1,073.52 = 283.14 : x
  2. Step 2: Convert to fraction form
    716.13/1,073.52 = 283.14/x
  3. Step 3: Cross multiply
    716.13x = 1,073.52 × 283.14
  4. Step 4: Simplify right side
    716.13x = 303,956.45
  5. Step 5: Solve for x
    x = 303,956.45/716.13
  6. Step 6: Final answer
    x = 424.44

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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.