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Finding the Fourth Proportional to 258,052.60, 386,301.30 and 226,948.60

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Solution

The fourth proportional to 258,052.60, 386,301.30 and 226,948.60 is: 339,739.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,052.60 : 386,301.30 = 226,948.60 : x
  2. Step 2: Convert to fraction form
    258,052.60/386,301.30 = 226,948.60/x
  3. Step 3: Cross multiply
    258,052.60x = 386,301.30 × 226,948.60
  4. Step 4: Simplify right side
    258,052.60x = 87,670,539,213.18
  5. Step 5: Solve for x
    x = 87,670,539,213.18/258,052.60
  6. Step 6: Final answer
    x = 339,739.03

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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.