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Finding the Fourth Proportional to 952.05, 1,313.89 and 532.45

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Solution

The fourth proportional to 952.05, 1,313.89 and 532.45 is: 734.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.05 : 1,313.89 = 532.45 : x
  2. Step 2: Convert to fraction form
    952.05/1,313.89 = 532.45/x
  3. Step 3: Cross multiply
    952.05x = 1,313.89 × 532.45
  4. Step 4: Simplify right side
    952.05x = 699,581.04
  5. Step 5: Solve for x
    x = 699,581.04/952.05
  6. Step 6: Final answer
    x = 734.82

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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.