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Finding the Fourth Proportional to 966.88, 1,450.56 and 528.01

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Solution

The fourth proportional to 966.88, 1,450.56 and 528.01 is: 792.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.88 : 1,450.56 = 528.01 : x
  2. Step 2: Convert to fraction form
    966.88/1,450.56 = 528.01/x
  3. Step 3: Cross multiply
    966.88x = 1,450.56 × 528.01
  4. Step 4: Simplify right side
    966.88x = 765,908.54
  5. Step 5: Solve for x
    x = 765,908.54/966.88
  6. Step 6: Final answer
    x = 792.14

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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.