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Finding the Fourth Proportional to 541,568.72, 747,388.19 and 299,851.29

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Solution

The fourth proportional to 541,568.72, 747,388.19 and 299,851.29 is: 413,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,568.72 : 747,388.19 = 299,851.29 : x
  2. Step 2: Convert to fraction form
    541,568.72/747,388.19 = 299,851.29/x
  3. Step 3: Cross multiply
    541,568.72x = 747,388.19 × 299,851.29
  4. Step 4: Simplify right side
    541,568.72x = 224,105,313,651.89
  5. Step 5: Solve for x
    x = 224,105,313,651.89/541,568.72
  6. Step 6: Final answer
    x = 413,807.71

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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.