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Finding the Fourth Proportional to 922.64, 1,383.60 and 337.52

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Solution

The fourth proportional to 922.64, 1,383.60 and 337.52 is: 506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    922.64 : 1,383.60 = 337.52 : x
  2. Step 2: Convert to fraction form
    922.64/1,383.60 = 337.52/x
  3. Step 3: Cross multiply
    922.64x = 1,383.60 × 337.52
  4. Step 4: Simplify right side
    922.64x = 466,992.67
  5. Step 5: Solve for x
    x = 466,992.67/922.64
  6. Step 6: Final answer
    x = 506.15

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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.