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Finding the Fourth Proportional to 352,726.62, 486,496 and 245,242.86

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Solution

The fourth proportional to 352,726.62, 486,496 and 245,242.86 is: 338,249.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,726.62 : 486,496 = 245,242.86 : x
  2. Step 2: Convert to fraction form
    352,726.62/486,496 = 245,242.86/x
  3. Step 3: Cross multiply
    352,726.62x = 486,496 × 245,242.86
  4. Step 4: Simplify right side
    352,726.62x = 119,309,670,418.56
  5. Step 5: Solve for x
    x = 119,309,670,418.56/352,726.62
  6. Step 6: Final answer
    x = 338,249.69

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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.