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Finding the Fourth Proportional to 966.29, 1,333.49 and 567.85

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Solution

The fourth proportional to 966.29, 1,333.49 and 567.85 is: 783.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.29 : 1,333.49 = 567.85 : x
  2. Step 2: Convert to fraction form
    966.29/1,333.49 = 567.85/x
  3. Step 3: Cross multiply
    966.29x = 1,333.49 × 567.85
  4. Step 4: Simplify right side
    966.29x = 757,215.63
  5. Step 5: Solve for x
    x = 757,215.63/966.29
  6. Step 6: Final answer
    x = 783.63

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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.