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Finding the Fourth Proportional to 963.81, 1,443.60 and 592.48

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Solution

The fourth proportional to 963.81, 1,443.60 and 592.48 is: 887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.81 : 1,443.60 = 592.48 : x
  2. Step 2: Convert to fraction form
    963.81/1,443.60 = 592.48/x
  3. Step 3: Cross multiply
    963.81x = 1,443.60 × 592.48
  4. Step 4: Simplify right side
    963.81x = 855,304.13
  5. Step 5: Solve for x
    x = 855,304.13/963.81
  6. Step 6: Final answer
    x = 887.42

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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.