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Finding the Fourth Proportional to 334,797.71, 501,769.49 and 156,912.80

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Solution

The fourth proportional to 334,797.71, 501,769.49 and 156,912.80 is: 235,169.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,797.71 : 501,769.49 = 156,912.80 : x
  2. Step 2: Convert to fraction form
    334,797.71/501,769.49 = 156,912.80/x
  3. Step 3: Cross multiply
    334,797.71x = 501,769.49 × 156,912.80
  4. Step 4: Simplify right side
    334,797.71x = 78,734,052,337.06
  5. Step 5: Solve for x
    x = 78,734,052,337.06/334,797.71
  6. Step 6: Final answer
    x = 235,169.03

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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.