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Finding the Fourth Proportional to 366,190.44, 548,842.11 and 155,385.51

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Solution

The fourth proportional to 366,190.44, 548,842.11 and 155,385.51 is: 232,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,190.44 : 548,842.11 = 155,385.51 : x
  2. Step 2: Convert to fraction form
    366,190.44/548,842.11 = 155,385.51/x
  3. Step 3: Cross multiply
    366,190.44x = 548,842.11 × 155,385.51
  4. Step 4: Simplify right side
    366,190.44x = 85,282,111,171.83
  5. Step 5: Solve for x
    x = 85,282,111,171.83/366,190.44
  6. Step 6: Final answer
    x = 232,890.05

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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.