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Finding the Fourth Proportional to 267,303.21, 399,846.73 and 203,641.66

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Solution

The fourth proportional to 267,303.21, 399,846.73 and 203,641.66 is: 304,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,303.21 : 399,846.73 = 203,641.66 : x
  2. Step 2: Convert to fraction form
    267,303.21/399,846.73 = 203,641.66/x
  3. Step 3: Cross multiply
    267,303.21x = 399,846.73 × 203,641.66
  4. Step 4: Simplify right side
    267,303.21x = 81,425,450,824.56
  5. Step 5: Solve for x
    x = 81,425,450,824.56/267,303.21
  6. Step 6: Final answer
    x = 304,618.31

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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.