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Finding the Fourth Proportional to 352,756.92, 486,813.34 and 191,611.92

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Solution

The fourth proportional to 352,756.92, 486,813.34 and 191,611.92 is: 264,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,756.92 : 486,813.34 = 191,611.92 : x
  2. Step 2: Convert to fraction form
    352,756.92/486,813.34 = 191,611.92/x
  3. Step 3: Cross multiply
    352,756.92x = 486,813.34 × 191,611.92
  4. Step 4: Simplify right side
    352,756.92x = 93,279,238,759.01
  5. Step 5: Solve for x
    x = 93,279,238,759.01/352,756.92
  6. Step 6: Final answer
    x = 264,429.22

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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.