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Finding the Fourth Proportional to 248,437.40, 372,218.70 and 203,822.60

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Solution

The fourth proportional to 248,437.40, 372,218.70 and 203,822.60 is: 305,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,437.40 : 372,218.70 = 203,822.60 : x
  2. Step 2: Convert to fraction form
    248,437.40/372,218.70 = 203,822.60/x
  3. Step 3: Cross multiply
    248,437.40x = 372,218.70 × 203,822.60
  4. Step 4: Simplify right side
    248,437.40x = 75,866,583,202.62
  5. Step 5: Solve for x
    x = 75,866,583,202.62/248,437.40
  6. Step 6: Final answer
    x = 305,375.05

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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.