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Finding the Fourth Proportional to 950.52, 1,311.72 and 536.52

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Solution

The fourth proportional to 950.52, 1,311.72 and 536.52 is: 740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.52 : 1,311.72 = 536.52 : x
  2. Step 2: Convert to fraction form
    950.52/1,311.72 = 536.52/x
  3. Step 3: Cross multiply
    950.52x = 1,311.72 × 536.52
  4. Step 4: Simplify right side
    950.52x = 703,764.01
  5. Step 5: Solve for x
    x = 703,764.01/950.52
  6. Step 6: Final answer
    x = 740.40

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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.