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Finding the Fourth Proportional to 365,757.20, 548,454.36 and 116,406.80

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Solution

The fourth proportional to 365,757.20, 548,454.36 and 116,406.80 is: 174,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,757.20 : 548,454.36 = 116,406.80 : x
  2. Step 2: Convert to fraction form
    365,757.20/548,454.36 = 116,406.80/x
  3. Step 3: Cross multiply
    365,757.20x = 548,454.36 × 116,406.80
  4. Step 4: Simplify right side
    365,757.20x = 63,843,816,993.65
  5. Step 5: Solve for x
    x = 63,843,816,993.65/365,757.20
  6. Step 6: Final answer
    x = 174,552.45

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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.