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Finding the Fourth Proportional to 966.68, 1,334.22 and 588.67

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Solution

The fourth proportional to 966.68, 1,334.22 and 588.67 is: 812.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.68 : 1,334.22 = 588.67 : x
  2. Step 2: Convert to fraction form
    966.68/1,334.22 = 588.67/x
  3. Step 3: Cross multiply
    966.68x = 1,334.22 × 588.67
  4. Step 4: Simplify right side
    966.68x = 785,413.06
  5. Step 5: Solve for x
    x = 785,413.06/966.68
  6. Step 6: Final answer
    x = 812.48

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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.