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Finding the Fourth Proportional to 372,561.87, 558,671.49 and 119,795.70

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Solution

The fourth proportional to 372,561.87, 558,671.49 and 119,795.70 is: 179,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,561.87 : 558,671.49 = 119,795.70 : x
  2. Step 2: Convert to fraction form
    372,561.87/558,671.49 = 119,795.70/x
  3. Step 3: Cross multiply
    372,561.87x = 558,671.49 × 119,795.70
  4. Step 4: Simplify right side
    372,561.87x = 66,926,442,214.59
  5. Step 5: Solve for x
    x = 66,926,442,214.59/372,561.87
  6. Step 6: Final answer
    x = 179,638.46

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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.