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Finding the Fourth Proportional to 356,960.11, 492,605.70 and 195,816.46

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Solution

The fourth proportional to 356,960.11, 492,605.70 and 195,816.46 is: 270,227.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,960.11 : 492,605.70 = 195,816.46 : x
  2. Step 2: Convert to fraction form
    356,960.11/492,605.70 = 195,816.46/x
  3. Step 3: Cross multiply
    356,960.11x = 492,605.70 × 195,816.46
  4. Step 4: Simplify right side
    356,960.11x = 96,460,304,349.82
  5. Step 5: Solve for x
    x = 96,460,304,349.82/356,960.11
  6. Step 6: Final answer
    x = 270,227.13

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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.