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Finding the Fourth Proportional to 612,233.82, 918,352.75 and 185,773.27

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Solution

The fourth proportional to 612,233.82, 918,352.75 and 185,773.27 is: 278,660.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,233.82 : 918,352.75 = 185,773.27 : x
  2. Step 2: Convert to fraction form
    612,233.82/918,352.75 = 185,773.27/x
  3. Step 3: Cross multiply
    612,233.82x = 918,352.75 × 185,773.27
  4. Step 4: Simplify right side
    612,233.82x = 170,605,393,380.99
  5. Step 5: Solve for x
    x = 170,605,393,380.99/612,233.82
  6. Step 6: Final answer
    x = 278,660.52

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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.