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Finding the Fourth Proportional to 952.88, 1,428.84 and 375.44

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Solution

The fourth proportional to 952.88, 1,428.84 and 375.44 is: 562.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.88 : 1,428.84 = 375.44 : x
  2. Step 2: Convert to fraction form
    952.88/1,428.84 = 375.44/x
  3. Step 3: Cross multiply
    952.88x = 1,428.84 × 375.44
  4. Step 4: Simplify right side
    952.88x = 536,443.69
  5. Step 5: Solve for x
    x = 536,443.69/952.88
  6. Step 6: Final answer
    x = 562.97

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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.