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Finding the Fourth Proportional to 797.28, 1,195.06 and 334.72

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Solution

The fourth proportional to 797.28, 1,195.06 and 334.72 is: 501.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.28 : 1,195.06 = 334.72 : x
  2. Step 2: Convert to fraction form
    797.28/1,195.06 = 334.72/x
  3. Step 3: Cross multiply
    797.28x = 1,195.06 × 334.72
  4. Step 4: Simplify right side
    797.28x = 400,010.48
  5. Step 5: Solve for x
    x = 400,010.48/797.28
  6. Step 6: Final answer
    x = 501.72

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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.