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Finding the Fourth Proportional to 664,193.28, 996,216.11 and 237,711.89

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Solution

The fourth proportional to 664,193.28, 996,216.11 and 237,711.89 is: 356,541.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,193.28 : 996,216.11 = 237,711.89 : x
  2. Step 2: Convert to fraction form
    664,193.28/996,216.11 = 237,711.89/x
  3. Step 3: Cross multiply
    664,193.28x = 996,216.11 × 237,711.89
  4. Step 4: Simplify right side
    664,193.28x = 236,812,408,186.91
  5. Step 5: Solve for x
    x = 236,812,408,186.91/664,193.28
  6. Step 6: Final answer
    x = 356,541.41

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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.