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Finding the Fourth Proportional to 382,788.70, 528,247.77 and 237,540.44

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Solution

The fourth proportional to 382,788.70, 528,247.77 and 237,540.44 is: 327,805.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,788.70 : 528,247.77 = 237,540.44 : x
  2. Step 2: Convert to fraction form
    382,788.70/528,247.77 = 237,540.44/x
  3. Step 3: Cross multiply
    382,788.70x = 528,247.77 × 237,540.44
  4. Step 4: Simplify right side
    382,788.70x = 125,480,207,714.82
  5. Step 5: Solve for x
    x = 125,480,207,714.82/382,788.70
  6. Step 6: Final answer
    x = 327,805.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.