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Finding the Fourth Proportional to 352,994.18, 487,135.17 and 191,849.61

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Solution

The fourth proportional to 352,994.18, 487,135.17 and 191,849.61 is: 264,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,994.18 : 487,135.17 = 191,849.61 : x
  2. Step 2: Convert to fraction form
    352,994.18/487,135.17 = 191,849.61/x
  3. Step 3: Cross multiply
    352,994.18x = 487,135.17 × 191,849.61
  4. Step 4: Simplify right side
    352,994.18x = 93,456,691,422.54
  5. Step 5: Solve for x
    x = 93,456,691,422.54/352,994.18
  6. Step 6: Final answer
    x = 264,754.20

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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.