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Finding the Fourth Proportional to 265,044.58, 397,586.31 and 75,501.34

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Solution

The fourth proportional to 265,044.58, 397,586.31 and 75,501.34 is: 113,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,044.58 : 397,586.31 = 75,501.34 : x
  2. Step 2: Convert to fraction form
    265,044.58/397,586.31 = 75,501.34/x
  3. Step 3: Cross multiply
    265,044.58x = 397,586.31 × 75,501.34
  4. Step 4: Simplify right side
    265,044.58x = 30,018,299,170.66
  5. Step 5: Solve for x
    x = 30,018,299,170.66/265,044.58
  6. Step 6: Final answer
    x = 113,257.55

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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.