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Finding the Fourth Proportional to 303,274.82, 454,914.05 and 134,755.53

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Solution

The fourth proportional to 303,274.82, 454,914.05 and 134,755.53 is: 202,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,274.82 : 454,914.05 = 134,755.53 : x
  2. Step 2: Convert to fraction form
    303,274.82/454,914.05 = 134,755.53/x
  3. Step 3: Cross multiply
    303,274.82x = 454,914.05 × 134,755.53
  4. Step 4: Simplify right side
    303,274.82x = 61,302,183,238.42
  5. Step 5: Solve for x
    x = 61,302,183,238.42/303,274.82
  6. Step 6: Final answer
    x = 202,134.10

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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.