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Finding the Fourth Proportional to 363,055.76, 544,180.08 and 274,020.56

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Solution

The fourth proportional to 363,055.76, 544,180.08 and 274,020.56 is: 410,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,055.76 : 544,180.08 = 274,020.56 : x
  2. Step 2: Convert to fraction form
    363,055.76/544,180.08 = 274,020.56/x
  3. Step 3: Cross multiply
    363,055.76x = 544,180.08 × 274,020.56
  4. Step 4: Simplify right side
    363,055.76x = 149,116,530,262.45
  5. Step 5: Solve for x
    x = 149,116,530,262.45/363,055.76
  6. Step 6: Final answer
    x = 410,726.25

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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.