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Finding the Fourth Proportional to 966.93, 1,450.94 and 577.87

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Solution

The fourth proportional to 966.93, 1,450.94 and 577.87 is: 867.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.93 : 1,450.94 = 577.87 : x
  2. Step 2: Convert to fraction form
    966.93/1,450.94 = 577.87/x
  3. Step 3: Cross multiply
    966.93x = 1,450.94 × 577.87
  4. Step 4: Simplify right side
    966.93x = 838,456.14
  5. Step 5: Solve for x
    x = 838,456.14/966.93
  6. Step 6: Final answer
    x = 867.14

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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.