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Finding the Fourth Proportional to 796.47, 1,099.08 and 534.84

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Solution

The fourth proportional to 796.47, 1,099.08 and 534.84 is: 738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.47 : 1,099.08 = 534.84 : x
  2. Step 2: Convert to fraction form
    796.47/1,099.08 = 534.84/x
  3. Step 3: Cross multiply
    796.47x = 1,099.08 × 534.84
  4. Step 4: Simplify right side
    796.47x = 587,831.95
  5. Step 5: Solve for x
    x = 587,831.95/796.47
  6. Step 6: Final answer
    x = 738.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.