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Finding the Fourth Proportional to 925.07, 1,276.40 and 593.45

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Solution

The fourth proportional to 925.07, 1,276.40 and 593.45 is: 818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.07 : 1,276.40 = 593.45 : x
  2. Step 2: Convert to fraction form
    925.07/1,276.40 = 593.45/x
  3. Step 3: Cross multiply
    925.07x = 1,276.40 × 593.45
  4. Step 4: Simplify right side
    925.07x = 757,474.68
  5. Step 5: Solve for x
    x = 757,474.68/925.07
  6. Step 6: Final answer
    x = 818.83

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Double scale
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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.