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Finding the Fourth Proportional to 248,634.80, 372,077.40 and 227,639.60

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Solution

The fourth proportional to 248,634.80, 372,077.40 and 227,639.60 is: 340,658.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,634.80 : 372,077.40 = 227,639.60 : x
  2. Step 2: Convert to fraction form
    248,634.80/372,077.40 = 227,639.60/x
  3. Step 3: Cross multiply
    248,634.80x = 372,077.40 × 227,639.60
  4. Step 4: Simplify right side
    248,634.80x = 84,699,550,505.04
  5. Step 5: Solve for x
    x = 84,699,550,505.04/248,634.80
  6. Step 6: Final answer
    x = 340,658.47

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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.