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Finding the Fourth Proportional to 797.96, 1,101.21 and 483.29

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Solution

The fourth proportional to 797.96, 1,101.21 and 483.29 is: 666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.96 : 1,101.21 = 483.29 : x
  2. Step 2: Convert to fraction form
    797.96/1,101.21 = 483.29/x
  3. Step 3: Cross multiply
    797.96x = 1,101.21 × 483.29
  4. Step 4: Simplify right side
    797.96x = 532,200.46
  5. Step 5: Solve for x
    x = 532,200.46/797.96
  6. Step 6: Final answer
    x = 666.95

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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.