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Finding the Fourth Proportional to 794.40, 1,096.70 and 532.86

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Solution

The fourth proportional to 794.40, 1,096.70 and 532.86 is: 735.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.40 : 1,096.70 = 532.86 : x
  2. Step 2: Convert to fraction form
    794.40/1,096.70 = 532.86/x
  3. Step 3: Cross multiply
    794.40x = 1,096.70 × 532.86
  4. Step 4: Simplify right side
    794.40x = 584,384.90
  5. Step 5: Solve for x
    x = 584,384.90/794.40
  6. Step 6: Final answer
    x = 735.63

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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.