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Finding the Fourth Proportional to 713.26, 984.26 and 414.52

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Solution

The fourth proportional to 713.26, 984.26 and 414.52 is: 572.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    713.26 : 984.26 = 414.52 : x
  2. Step 2: Convert to fraction form
    713.26/984.26 = 414.52/x
  3. Step 3: Cross multiply
    713.26x = 984.26 × 414.52
  4. Step 4: Simplify right side
    713.26x = 407,995.46
  5. Step 5: Solve for x
    x = 407,995.46/713.26
  6. Step 6: Final answer
    x = 572.02

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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.