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Finding the Fourth Proportional to 793.17, 1,188.03 and 484.02

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Solution

The fourth proportional to 793.17, 1,188.03 and 484.02 is: 724.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.17 : 1,188.03 = 484.02 : x
  2. Step 2: Convert to fraction form
    793.17/1,188.03 = 484.02/x
  3. Step 3: Cross multiply
    793.17x = 1,188.03 × 484.02
  4. Step 4: Simplify right side
    793.17x = 575,030.28
  5. Step 5: Solve for x
    x = 575,030.28/793.17
  6. Step 6: Final answer
    x = 724.98

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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.