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Finding the Fourth Proportional to 303,328.73, 454,993.10 and 103,600.95

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Solution

The fourth proportional to 303,328.73, 454,993.10 and 103,600.95 is: 155,401.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,328.73 : 454,993.10 = 103,600.95 : x
  2. Step 2: Convert to fraction form
    303,328.73/454,993.10 = 103,600.95/x
  3. Step 3: Cross multiply
    303,328.73x = 454,993.10 × 103,600.95
  4. Step 4: Simplify right side
    303,328.73x = 47,137,716,885.44
  5. Step 5: Solve for x
    x = 47,137,716,885.44/303,328.73
  6. Step 6: Final answer
    x = 155,401.43

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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.