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Finding the Fourth Proportional to 372,348.22, 513,799.41 and 208,967.24

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Solution

The fourth proportional to 372,348.22, 513,799.41 and 208,967.24 is: 288,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,348.22 : 513,799.41 = 208,967.24 : x
  2. Step 2: Convert to fraction form
    372,348.22/513,799.41 = 208,967.24/x
  3. Step 3: Cross multiply
    372,348.22x = 513,799.41 × 208,967.24
  4. Step 4: Simplify right side
    372,348.22x = 107,367,244,621.33
  5. Step 5: Solve for x
    x = 107,367,244,621.33/372,348.22
  6. Step 6: Final answer
    x = 288,351.71

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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.