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Finding the Fourth Proportional to 352,397.35, 486,308.34 and 191,252.41

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Solution

The fourth proportional to 352,397.35, 486,308.34 and 191,252.41 is: 263,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,397.35 : 486,308.34 = 191,252.41 : x
  2. Step 2: Convert to fraction form
    352,397.35/486,308.34 = 191,252.41/x
  3. Step 3: Cross multiply
    352,397.35x = 486,308.34 × 191,252.41
  4. Step 4: Simplify right side
    352,397.35x = 93,007,640,812.33
  5. Step 5: Solve for x
    x = 93,007,640,812.33/352,397.35
  6. Step 6: Final answer
    x = 263,928.32

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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.