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Finding the Fourth Proportional to 925.77, 1,388.52 and 332.73

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Solution

The fourth proportional to 925.77, 1,388.52 and 332.73 is: 499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.77 : 1,388.52 = 332.73 : x
  2. Step 2: Convert to fraction form
    925.77/1,388.52 = 332.73/x
  3. Step 3: Cross multiply
    925.77x = 1,388.52 × 332.73
  4. Step 4: Simplify right side
    925.77x = 462,002.26
  5. Step 5: Solve for x
    x = 462,002.26/925.77
  6. Step 6: Final answer
    x = 499.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.