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Finding the Fourth Proportional to 365,976.74, 548,584.52 and 141,491.36

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Solution

The fourth proportional to 365,976.74, 548,584.52 and 141,491.36 is: 212,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,976.74 : 548,584.52 = 141,491.36 : x
  2. Step 2: Convert to fraction form
    365,976.74/548,584.52 = 141,491.36/x
  3. Step 3: Cross multiply
    365,976.74x = 548,584.52 × 141,491.36
  4. Step 4: Simplify right side
    365,976.74x = 77,619,969,102.29
  5. Step 5: Solve for x
    x = 77,619,969,102.29/365,976.74
  6. Step 6: Final answer
    x = 212,089.90

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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.