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Finding the Fourth Proportional to 925.50, 1,276.40 and 593.82

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Solution

The fourth proportional to 925.50, 1,276.40 and 593.82 is: 818.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.50 : 1,276.40 = 593.82 : x
  2. Step 2: Convert to fraction form
    925.50/1,276.40 = 593.82/x
  3. Step 3: Cross multiply
    925.50x = 1,276.40 × 593.82
  4. Step 4: Simplify right side
    925.50x = 757,951.85
  5. Step 5: Solve for x
    x = 757,951.85/925.50
  6. Step 6: Final answer
    x = 818.96

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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.