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Finding the Fourth Proportional to 541,687.36, 747,527.89 and 299,969.64

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Solution

The fourth proportional to 541,687.36, 747,527.89 and 299,969.64 is: 413,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,687.36 : 747,527.89 = 299,969.64 : x
  2. Step 2: Convert to fraction form
    541,687.36/747,527.89 = 299,969.64/x
  3. Step 3: Cross multiply
    541,687.36x = 747,527.89 × 299,969.64
  4. Step 4: Simplify right side
    541,687.36x = 224,235,672,053.26
  5. Step 5: Solve for x
    x = 224,235,672,053.26/541,687.36
  6. Step 6: Final answer
    x = 413,957.73

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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.