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Finding the Fourth Proportional to 366,980.52, 550,471.62 and 100,744.68

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Solution

The fourth proportional to 366,980.52, 550,471.62 and 100,744.68 is: 151,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,980.52 : 550,471.62 = 100,744.68 : x
  2. Step 2: Convert to fraction form
    366,980.52/550,471.62 = 100,744.68/x
  3. Step 3: Cross multiply
    366,980.52x = 550,471.62 × 100,744.68
  4. Step 4: Simplify right side
    366,980.52x = 55,457,087,205.98
  5. Step 5: Solve for x
    x = 55,457,087,205.98/366,980.52
  6. Step 6: Final answer
    x = 151,117.25

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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.