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Finding the Fourth Proportional to 352,993.68, 487,134.47 and 191,849.11

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Solution

The fourth proportional to 352,993.68, 487,134.47 and 191,849.11 is: 264,753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,993.68 : 487,134.47 = 191,849.11 : x
  2. Step 2: Convert to fraction form
    352,993.68/487,134.47 = 191,849.11/x
  3. Step 3: Cross multiply
    352,993.68x = 487,134.47 × 191,849.11
  4. Step 4: Simplify right side
    352,993.68x = 93,456,313,781.61
  5. Step 5: Solve for x
    x = 93,456,313,781.61/352,993.68
  6. Step 6: Final answer
    x = 264,753.50

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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.