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Finding the Fourth Proportional to 951.89, 1,313.51 and 532.19

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Solution

The fourth proportional to 951.89, 1,313.51 and 532.19 is: 734.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.89 : 1,313.51 = 532.19 : x
  2. Step 2: Convert to fraction form
    951.89/1,313.51 = 532.19/x
  3. Step 3: Cross multiply
    951.89x = 1,313.51 × 532.19
  4. Step 4: Simplify right side
    951.89x = 699,041.50
  5. Step 5: Solve for x
    x = 699,041.50/951.89
  6. Step 6: Final answer
    x = 734.38

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1.5x scale

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.