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Finding the Fourth Proportional to 303,369.02, 454,699.16 and 228,247.78

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Solution

The fourth proportional to 303,369.02, 454,699.16 and 228,247.78 is: 342,105.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,369.02 : 454,699.16 = 228,247.78 : x
  2. Step 2: Convert to fraction form
    303,369.02/454,699.16 = 228,247.78/x
  3. Step 3: Cross multiply
    303,369.02x = 454,699.16 × 228,247.78
  4. Step 4: Simplify right side
    303,369.02x = 103,784,073,837.87
  5. Step 5: Solve for x
    x = 103,784,073,837.87/303,369.02
  6. Step 6: Final answer
    x = 342,105.05

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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.