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Finding the Fourth Proportional to 922.44, 1,383.99 and 374.94

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Solution

The fourth proportional to 922.44, 1,383.99 and 374.94 is: 562.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    922.44 : 1,383.99 = 374.94 : x
  2. Step 2: Convert to fraction form
    922.44/1,383.99 = 374.94/x
  3. Step 3: Cross multiply
    922.44x = 1,383.99 × 374.94
  4. Step 4: Simplify right side
    922.44x = 518,913.21
  5. Step 5: Solve for x
    x = 518,913.21/922.44
  6. Step 6: Final answer
    x = 562.54

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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.