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Finding the Fourth Proportional to 960.27, 1,440.82 and 526.92

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Solution

The fourth proportional to 960.27, 1,440.82 and 526.92 is: 790.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.27 : 1,440.82 = 526.92 : x
  2. Step 2: Convert to fraction form
    960.27/1,440.82 = 526.92/x
  3. Step 3: Cross multiply
    960.27x = 1,440.82 × 526.92
  4. Step 4: Simplify right side
    960.27x = 759,196.87
  5. Step 5: Solve for x
    x = 759,196.87/960.27
  6. Step 6: Final answer
    x = 790.61

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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.