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Finding the Fourth Proportional to 303,040.98, 454,463.06 and 143,092.17

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Solution

The fourth proportional to 303,040.98, 454,463.06 and 143,092.17 is: 214,591.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,040.98 : 454,463.06 = 143,092.17 : x
  2. Step 2: Convert to fraction form
    303,040.98/454,463.06 = 143,092.17/x
  3. Step 3: Cross multiply
    303,040.98x = 454,463.06 × 143,092.17
  4. Step 4: Simplify right side
    303,040.98x = 65,030,104,724.78
  5. Step 5: Solve for x
    x = 65,030,104,724.78/303,040.98
  6. Step 6: Final answer
    x = 214,591.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.