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Finding the Fourth Proportional to 366,975.80, 550,463.70 and 247,401.58

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Solution

The fourth proportional to 366,975.80, 550,463.70 and 247,401.58 is: 371,102.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,975.80 : 550,463.70 = 247,401.58 : x
  2. Step 2: Convert to fraction form
    366,975.80/550,463.70 = 247,401.58/x
  3. Step 3: Cross multiply
    366,975.80x = 550,463.70 × 247,401.58
  4. Step 4: Simplify right side
    366,975.80x = 136,185,589,112.65
  5. Step 5: Solve for x
    x = 136,185,589,112.65/366,975.80
  6. Step 6: Final answer
    x = 371,102.37

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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.