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Finding the Fourth Proportional to 925.36, 1,277.22 and 575.92

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Solution

The fourth proportional to 925.36, 1,277.22 and 575.92 is: 794.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.36 : 1,277.22 = 575.92 : x
  2. Step 2: Convert to fraction form
    925.36/1,277.22 = 575.92/x
  3. Step 3: Cross multiply
    925.36x = 1,277.22 × 575.92
  4. Step 4: Simplify right side
    925.36x = 735,576.54
  5. Step 5: Solve for x
    x = 735,576.54/925.36
  6. Step 6: Final answer
    x = 794.91

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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.