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Finding the Fourth Proportional to 965.20, 1,332.69 and 592.69

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Solution

The fourth proportional to 965.20, 1,332.69 and 592.69 is: 818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    965.20 : 1,332.69 = 592.69 : x
  2. Step 2: Convert to fraction form
    965.20/1,332.69 = 592.69/x
  3. Step 3: Cross multiply
    965.20x = 1,332.69 × 592.69
  4. Step 4: Simplify right side
    965.20x = 789,872.04
  5. Step 5: Solve for x
    x = 789,872.04/965.20
  6. Step 6: Final answer
    x = 818.35

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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.