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Finding the Fourth Proportional to 352,156.41, 485,972.27 and 191,008.00

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Solution

The fourth proportional to 352,156.41, 485,972.27 and 191,008.00 is: 263,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,156.41 : 485,972.27 = 191,008.00 : x
  2. Step 2: Convert to fraction form
    352,156.41/485,972.27 = 191,008.00/x
  3. Step 3: Cross multiply
    352,156.41x = 485,972.27 × 191,008.00
  4. Step 4: Simplify right side
    352,156.41x = 92,824,590,610.75
  5. Step 5: Solve for x
    x = 92,824,590,610.75/352,156.41
  6. Step 6: Final answer
    x = 263,589.10

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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.