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Finding the Fourth Proportional to 955.26, 1,432.22 and 544.59

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Solution

The fourth proportional to 955.26, 1,432.22 and 544.59 is: 816.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.26 : 1,432.22 = 544.59 : x
  2. Step 2: Convert to fraction form
    955.26/1,432.22 = 544.59/x
  3. Step 3: Cross multiply
    955.26x = 1,432.22 × 544.59
  4. Step 4: Simplify right side
    955.26x = 779,969.97
  5. Step 5: Solve for x
    x = 779,969.97/955.26
  6. Step 6: Final answer
    x = 816.50

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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.