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Finding the Fourth Proportional to 330,599.87, 495,860.38 and 195,744.59

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Solution

The fourth proportional to 330,599.87, 495,860.38 and 195,744.59 is: 293,593.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,599.87 : 495,860.38 = 195,744.59 : x
  2. Step 2: Convert to fraction form
    330,599.87/495,860.38 = 195,744.59/x
  3. Step 3: Cross multiply
    330,599.87x = 495,860.38 × 195,744.59
  4. Step 4: Simplify right side
    330,599.87x = 97,061,983,811.68
  5. Step 5: Solve for x
    x = 97,061,983,811.68/330,599.87
  6. Step 6: Final answer
    x = 293,593.54

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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.