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Finding the Fourth Proportional to 248,693.40, 372,602.70 and 204,078.60

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Solution

The fourth proportional to 248,693.40, 372,602.70 and 204,078.60 is: 305,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,693.40 : 372,602.70 = 204,078.60 : x
  2. Step 2: Convert to fraction form
    248,693.40/372,602.70 = 204,078.60/x
  3. Step 3: Cross multiply
    248,693.40x = 372,602.70 × 204,078.60
  4. Step 4: Simplify right side
    248,693.40x = 76,040,237,372.22
  5. Step 5: Solve for x
    x = 76,040,237,372.22/248,693.40
  6. Step 6: Final answer
    x = 305,758.97

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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.