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Finding the Fourth Proportional to 932.14, 1,286.26 and 533.77

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Solution

The fourth proportional to 932.14, 1,286.26 and 533.77 is: 736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.14 : 1,286.26 = 533.77 : x
  2. Step 2: Convert to fraction form
    932.14/1,286.26 = 533.77/x
  3. Step 3: Cross multiply
    932.14x = 1,286.26 × 533.77
  4. Step 4: Simplify right side
    932.14x = 686,567.00
  5. Step 5: Solve for x
    x = 686,567.00/932.14
  6. Step 6: Final answer
    x = 736.55

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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.