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Finding the Fourth Proportional to 352,730.96, 486,772.29 and 191,589.15

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Solution

The fourth proportional to 352,730.96, 486,772.29 and 191,589.15 is: 264,394.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,730.96 : 486,772.29 = 191,589.15 : x
  2. Step 2: Convert to fraction form
    352,730.96/486,772.29 = 191,589.15/x
  3. Step 3: Cross multiply
    352,730.96x = 486,772.29 × 191,589.15
  4. Step 4: Simplify right side
    352,730.96x = 93,260,289,284.65
  5. Step 5: Solve for x
    x = 93,260,289,284.65/352,730.96
  6. Step 6: Final answer
    x = 264,394.97

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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.