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Finding the Fourth Proportional to 372,580.51, 558,729.78 and 159,339.55

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Solution

The fourth proportional to 372,580.51, 558,729.78 and 159,339.55 is: 238,949.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,580.51 : 558,729.78 = 159,339.55 : x
  2. Step 2: Convert to fraction form
    372,580.51/558,729.78 = 159,339.55/x
  3. Step 3: Cross multiply
    372,580.51x = 558,729.78 × 159,339.55
  4. Step 4: Simplify right side
    372,580.51x = 89,027,751,716.80
  5. Step 5: Solve for x
    x = 89,027,751,716.80/372,580.51
  6. Step 6: Final answer
    x = 238,949.03

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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.