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Finding the Fourth Proportional to 797.92, 1,101.12 and 466.12

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Solution

The fourth proportional to 797.92, 1,101.12 and 466.12 is: 643.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.92 : 1,101.12 = 466.12 : x
  2. Step 2: Convert to fraction form
    797.92/1,101.12 = 466.12/x
  3. Step 3: Cross multiply
    797.92x = 1,101.12 × 466.12
  4. Step 4: Simplify right side
    797.92x = 513,254.05
  5. Step 5: Solve for x
    x = 513,254.05/797.92
  6. Step 6: Final answer
    x = 643.24

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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.