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Finding the Fourth Proportional to 352,394.66, 486,308.26 and 191,251.10

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Solution

The fourth proportional to 352,394.66, 486,308.26 and 191,251.10 is: 263,928.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,394.66 : 486,308.26 = 191,251.10 : x
  2. Step 2: Convert to fraction form
    352,394.66/486,308.26 = 191,251.10/x
  3. Step 3: Cross multiply
    352,394.66x = 486,308.26 × 191,251.10
  4. Step 4: Simplify right side
    352,394.66x = 93,006,989,664.09
  5. Step 5: Solve for x
    x = 93,006,989,664.09/352,394.66
  6. Step 6: Final answer
    x = 263,928.49

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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.