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Finding the Fourth Proportional to 366,975.40, 550,463.10 and 247,401.19

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Solution

The fourth proportional to 366,975.40, 550,463.10 and 247,401.19 is: 371,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,975.40 : 550,463.10 = 247,401.19 : x
  2. Step 2: Convert to fraction form
    366,975.40/550,463.10 = 247,401.19/x
  3. Step 3: Cross multiply
    366,975.40x = 550,463.10 × 247,401.19
  4. Step 4: Simplify right side
    366,975.40x = 136,185,225,991.09
  5. Step 5: Solve for x
    x = 136,185,225,991.09/366,975.40
  6. Step 6: Final answer
    x = 371,101.79

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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.