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Finding the Fourth Proportional to 352,401.97, 486,318.36 and 191,258.41

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Solution

The fourth proportional to 352,401.97, 486,318.36 and 191,258.41 is: 263,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,401.97 : 486,318.36 = 191,258.41 : x
  2. Step 2: Convert to fraction form
    352,401.97/486,318.36 = 191,258.41/x
  3. Step 3: Cross multiply
    352,401.97x = 486,318.36 × 191,258.41
  4. Step 4: Simplify right side
    352,401.97x = 93,012,476,287.41
  5. Step 5: Solve for x
    x = 93,012,476,287.41/352,401.97
  6. Step 6: Final answer
    x = 263,938.58

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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.