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Finding the Fourth Proportional to 352,511.97, 486,463.62 and 191,366.73

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Solution

The fourth proportional to 352,511.97, 486,463.62 and 191,366.73 is: 264,084.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,511.97 : 486,463.62 = 191,366.73 : x
  2. Step 2: Convert to fraction form
    352,511.97/486,463.62 = 191,366.73/x
  3. Step 3: Cross multiply
    352,511.97x = 486,463.62 × 191,366.73
  4. Step 4: Simplify right side
    352,511.97x = 93,092,952,223.36
  5. Step 5: Solve for x
    x = 93,092,952,223.36/352,511.97
  6. Step 6: Final answer
    x = 264,084.51

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1.5x scale

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.