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Finding the Fourth Proportional to 373,912.77, 560,943.09 and 137,257.50

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Solution

The fourth proportional to 373,912.77, 560,943.09 and 137,257.50 is: 205,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,912.77 : 560,943.09 = 137,257.50 : x
  2. Step 2: Convert to fraction form
    373,912.77/560,943.09 = 137,257.50/x
  3. Step 3: Cross multiply
    373,912.77x = 560,943.09 × 137,257.50
  4. Step 4: Simplify right side
    373,912.77x = 76,993,646,175.68
  5. Step 5: Solve for x
    x = 76,993,646,175.68/373,912.77
  6. Step 6: Final answer
    x = 205,913.39

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1.5x scale

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.