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Finding the Fourth Proportional to 372,453.30, 558,910.80 and 195,087.60

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Solution

The fourth proportional to 372,453.30, 558,910.80 and 195,087.60 is: 292,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,453.30 : 558,910.80 = 195,087.60 : x
  2. Step 2: Convert to fraction form
    372,453.30/558,910.80 = 195,087.60/x
  3. Step 3: Cross multiply
    372,453.30x = 558,910.80 × 195,087.60
  4. Step 4: Simplify right side
    372,453.30x = 109,036,566,586.08
  5. Step 5: Solve for x
    x = 109,036,566,586.08/372,453.30
  6. Step 6: Final answer
    x = 292,752.32

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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.