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Finding the Fourth Proportional to 1,233, 1,848.78 and 502.92

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Solution

The fourth proportional to 1,233, 1,848.78 and 502.92 is: 754.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233 : 1,848.78 = 502.92 : x
  2. Step 2: Convert to fraction form
    1,233/1,848.78 = 502.92/x
  3. Step 3: Cross multiply
    1,233x = 1,848.78 × 502.92
  4. Step 4: Simplify right side
    1,233x = 929,788.44
  5. Step 5: Solve for x
    x = 929,788.44/1,233
  6. Step 6: Final answer
    x = 754.09

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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.