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Finding the Fourth Proportional to 352,998.59, 487,135.14 and 191,854.62

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Solution

The fourth proportional to 352,998.59, 487,135.14 and 191,854.62 is: 264,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,998.59 : 487,135.14 = 191,854.62 : x
  2. Step 2: Convert to fraction form
    352,998.59/487,135.14 = 191,854.62/x
  3. Step 3: Cross multiply
    352,998.59x = 487,135.14 × 191,854.62
  4. Step 4: Simplify right side
    352,998.59x = 93,459,124,737.67
  5. Step 5: Solve for x
    x = 93,459,124,737.67/352,998.59
  6. Step 6: Final answer
    x = 264,757.78

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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.