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Finding the Fourth Proportional to 952.67, 1,431.39 and 606.15

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Solution

The fourth proportional to 952.67, 1,431.39 and 606.15 is: 910.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.67 : 1,431.39 = 606.15 : x
  2. Step 2: Convert to fraction form
    952.67/1,431.39 = 606.15/x
  3. Step 3: Cross multiply
    952.67x = 1,431.39 × 606.15
  4. Step 4: Simplify right side
    952.67x = 867,637.05
  5. Step 5: Solve for x
    x = 867,637.05/952.67
  6. Step 6: Final answer
    x = 910.75

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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.