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Finding the Fourth Proportional to 716.68, 1,076.02 and 370.27

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Solution

The fourth proportional to 716.68, 1,076.02 and 370.27 is: 555.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    716.68 : 1,076.02 = 370.27 : x
  2. Step 2: Convert to fraction form
    716.68/1,076.02 = 370.27/x
  3. Step 3: Cross multiply
    716.68x = 1,076.02 × 370.27
  4. Step 4: Simplify right side
    716.68x = 398,418.34
  5. Step 5: Solve for x
    x = 398,418.34/716.68
  6. Step 6: Final answer
    x = 555.92

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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.