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Finding the Fourth Proportional to 925.11, 1,276.77 and 593.42

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Solution

The fourth proportional to 925.11, 1,276.77 and 593.42 is: 818.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.11 : 1,276.77 = 593.42 : x
  2. Step 2: Convert to fraction form
    925.11/1,276.77 = 593.42/x
  3. Step 3: Cross multiply
    925.11x = 1,276.77 × 593.42
  4. Step 4: Simplify right side
    925.11x = 757,651.50
  5. Step 5: Solve for x
    x = 757,651.50/925.11
  6. Step 6: Final answer
    x = 818.99

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Double scale
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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.