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Finding the Fourth Proportional to 372,235.70, 558,335.07 and 119,528.56

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Solution

The fourth proportional to 372,235.70, 558,335.07 and 119,528.56 is: 179,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,235.70 : 558,335.07 = 119,528.56 : x
  2. Step 2: Convert to fraction form
    372,235.70/558,335.07 = 119,528.56/x
  3. Step 3: Cross multiply
    372,235.70x = 558,335.07 × 119,528.56
  4. Step 4: Simplify right side
    372,235.70x = 66,736,983,525.28
  5. Step 5: Solve for x
    x = 66,736,983,525.28/372,235.70
  6. Step 6: Final answer
    x = 179,286.90

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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.