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Finding the Fourth Proportional to 372,230.37, 558,439.11 and 119,533.46

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Solution

The fourth proportional to 372,230.37, 558,439.11 and 119,533.46 is: 179,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,230.37 : 558,439.11 = 119,533.46 : x
  2. Step 2: Convert to fraction form
    372,230.37/558,439.11 = 119,533.46/x
  3. Step 3: Cross multiply
    372,230.37x = 558,439.11 × 119,533.46
  4. Step 4: Simplify right side
    372,230.37x = 66,752,156,225.43
  5. Step 5: Solve for x
    x = 66,752,156,225.43/372,230.37
  6. Step 6: Final answer
    x = 179,330.23

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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.