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Finding the Fourth Proportional to 366,912.30, 550,368.45 and 167,621.93

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Solution

The fourth proportional to 366,912.30, 550,368.45 and 167,621.93 is: 251,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,912.30 : 550,368.45 = 167,621.93 : x
  2. Step 2: Convert to fraction form
    366,912.30/550,368.45 = 167,621.93/x
  3. Step 3: Cross multiply
    366,912.30x = 550,368.45 × 167,621.93
  4. Step 4: Simplify right side
    366,912.30x = 92,253,819,048.27
  5. Step 5: Solve for x
    x = 92,253,819,048.27/366,912.30
  6. Step 6: Final answer
    x = 251,432.89

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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.