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Finding the Fourth Proportional to 952.97, 1,315.17 and 533.45

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Solution

The fourth proportional to 952.97, 1,315.17 and 533.45 is: 736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.97 : 1,315.17 = 533.45 : x
  2. Step 2: Convert to fraction form
    952.97/1,315.17 = 533.45/x
  3. Step 3: Cross multiply
    952.97x = 1,315.17 × 533.45
  4. Step 4: Simplify right side
    952.97x = 701,580.72
  5. Step 5: Solve for x
    x = 701,580.72/952.97
  6. Step 6: Final answer
    x = 736.21

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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.