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Finding the Fourth Proportional to 348,616.65, 481,139.22 and 195,663.94

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Solution

The fourth proportional to 348,616.65, 481,139.22 and 195,663.94 is: 270,043.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,616.65 : 481,139.22 = 195,663.94 : x
  2. Step 2: Convert to fraction form
    348,616.65/481,139.22 = 195,663.94/x
  3. Step 3: Cross multiply
    348,616.65x = 481,139.22 × 195,663.94
  4. Step 4: Simplify right side
    348,616.65x = 94,141,595,473.73
  5. Step 5: Solve for x
    x = 94,141,595,473.73/348,616.65
  6. Step 6: Final answer
    x = 270,043.31

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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.