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Finding the Fourth Proportional to 965.22, 1,332.08 and 592.11

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Solution

The fourth proportional to 965.22, 1,332.08 and 592.11 is: 817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    965.22 : 1,332.08 = 592.11 : x
  2. Step 2: Convert to fraction form
    965.22/1,332.08 = 592.11/x
  3. Step 3: Cross multiply
    965.22x = 1,332.08 × 592.11
  4. Step 4: Simplify right side
    965.22x = 788,737.15
  5. Step 5: Solve for x
    x = 788,737.15/965.22
  6. Step 6: Final answer
    x = 817.16

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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.