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Finding the Fourth Proportional to 303,941.43, 456,043.37 and 163,672.11

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Solution

The fourth proportional to 303,941.43, 456,043.37 and 163,672.11 is: 245,578.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,941.43 : 456,043.37 = 163,672.11 : x
  2. Step 2: Convert to fraction form
    303,941.43/456,043.37 = 163,672.11/x
  3. Step 3: Cross multiply
    303,941.43x = 456,043.37 × 163,672.11
  4. Step 4: Simplify right side
    303,941.43x = 74,641,579,801.05
  5. Step 5: Solve for x
    x = 74,641,579,801.05/303,941.43
  6. Step 6: Final answer
    x = 245,578.83

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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.