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Finding the Fourth Proportional to 794.17, 1,096.02 and 479.59

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Solution

The fourth proportional to 794.17, 1,096.02 and 479.59 is: 661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.17 : 1,096.02 = 479.59 : x
  2. Step 2: Convert to fraction form
    794.17/1,096.02 = 479.59/x
  3. Step 3: Cross multiply
    794.17x = 1,096.02 × 479.59
  4. Step 4: Simplify right side
    794.17x = 525,640.23
  5. Step 5: Solve for x
    x = 525,640.23/794.17
  6. Step 6: Final answer
    x = 661.87

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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.