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Finding the Fourth Proportional to 449,964.66, 675,134.58 and 197,426.64

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Solution

The fourth proportional to 449,964.66, 675,134.58 and 197,426.64 is: 296,222.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,964.66 : 675,134.58 = 197,426.64 : x
  2. Step 2: Convert to fraction form
    449,964.66/675,134.58 = 197,426.64/x
  3. Step 3: Cross multiply
    449,964.66x = 675,134.58 × 197,426.64
  4. Step 4: Simplify right side
    449,964.66x = 133,289,551,677.21
  5. Step 5: Solve for x
    x = 133,289,551,677.21/449,964.66
  6. Step 6: Final answer
    x = 296,222.27

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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.