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Finding the Fourth Proportional to 366,912.45, 550,368.68 and 234,052.20

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Solution

The fourth proportional to 366,912.45, 550,368.68 and 234,052.20 is: 351,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,912.45 : 550,368.68 = 234,052.20 : x
  2. Step 2: Convert to fraction form
    366,912.45/550,368.68 = 234,052.20/x
  3. Step 3: Cross multiply
    366,912.45x = 550,368.68 × 234,052.20
  4. Step 4: Simplify right side
    366,912.45x = 128,814,999,194.84
  5. Step 5: Solve for x
    x = 128,814,999,194.84/366,912.45
  6. Step 6: Final answer
    x = 351,078.30

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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.