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Finding the Fourth Proportional to 366,928.80, 550,393.20 and 167,638.43

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Solution

The fourth proportional to 366,928.80, 550,393.20 and 167,638.43 is: 251,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,928.80 : 550,393.20 = 167,638.43 : x
  2. Step 2: Convert to fraction form
    366,928.80/550,393.20 = 167,638.43/x
  3. Step 3: Cross multiply
    366,928.80x = 550,393.20 × 167,638.43
  4. Step 4: Simplify right side
    366,928.80x = 92,267,049,178.71
  5. Step 5: Solve for x
    x = 92,267,049,178.71/366,928.80
  6. Step 6: Final answer
    x = 251,457.64

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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.