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Finding the Fourth Proportional to 370,747.80, 556,121.70 and 244,448.55

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Solution

The fourth proportional to 370,747.80, 556,121.70 and 244,448.55 is: 366,672.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,747.80 : 556,121.70 = 244,448.55 : x
  2. Step 2: Convert to fraction form
    370,747.80/556,121.70 = 244,448.55/x
  3. Step 3: Cross multiply
    370,747.80x = 556,121.70 × 244,448.55
  4. Step 4: Simplify right side
    370,747.80x = 135,943,143,188.54
  5. Step 5: Solve for x
    x = 135,943,143,188.54/370,747.80
  6. Step 6: Final answer
    x = 366,672.83

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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.