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Finding the Fourth Proportional to 797.83, 1,195.91 and 446.34

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Solution

The fourth proportional to 797.83, 1,195.91 and 446.34 is: 669.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.83 : 1,195.91 = 446.34 : x
  2. Step 2: Convert to fraction form
    797.83/1,195.91 = 446.34/x
  3. Step 3: Cross multiply
    797.83x = 1,195.91 × 446.34
  4. Step 4: Simplify right side
    797.83x = 533,780.24
  5. Step 5: Solve for x
    x = 533,780.24/797.83
  6. Step 6: Final answer
    x = 669.04

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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.