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Finding the Fourth Proportional to 303,389.96, 454,952.60 and 161,200.95

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Solution

The fourth proportional to 303,389.96, 454,952.60 and 161,200.95 is: 241,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,389.96 : 454,952.60 = 161,200.95 : x
  2. Step 2: Convert to fraction form
    303,389.96/454,952.60 = 161,200.95/x
  3. Step 3: Cross multiply
    303,389.96x = 454,952.60 × 161,200.95
  4. Step 4: Simplify right side
    303,389.96x = 73,338,790,518.97
  5. Step 5: Solve for x
    x = 73,338,790,518.97/303,389.96
  6. Step 6: Final answer
    x = 241,731.11

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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.