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Finding the Fourth Proportional to 484,003.56, 726,006.06 and 188,515.56

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Solution

The fourth proportional to 484,003.56, 726,006.06 and 188,515.56 is: 282,773.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,003.56 : 726,006.06 = 188,515.56 : x
  2. Step 2: Convert to fraction form
    484,003.56/726,006.06 = 188,515.56/x
  3. Step 3: Cross multiply
    484,003.56x = 726,006.06 × 188,515.56
  4. Step 4: Simplify right side
    484,003.56x = 136,863,438,964.29
  5. Step 5: Solve for x
    x = 136,863,438,964.29/484,003.56
  6. Step 6: Final answer
    x = 282,773.62

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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.