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Finding the Fourth Proportional to 540,717.44, 746,179.52 and 299,008.64

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Solution

The fourth proportional to 540,717.44, 746,179.52 and 299,008.64 is: 412,626.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,717.44 : 746,179.52 = 299,008.64 : x
  2. Step 2: Convert to fraction form
    540,717.44/746,179.52 = 299,008.64/x
  3. Step 3: Cross multiply
    540,717.44x = 746,179.52 × 299,008.64
  4. Step 4: Simplify right side
    540,717.44x = 223,114,123,471.05
  5. Step 5: Solve for x
    x = 223,114,123,471.05/540,717.44
  6. Step 6: Final answer
    x = 412,626.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.