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Finding the Fourth Proportional to 443,277.87, 664,889.43 and 176,846.61

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Solution

The fourth proportional to 443,277.87, 664,889.43 and 176,846.61 is: 265,258.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,277.87 : 664,889.43 = 176,846.61 : x
  2. Step 2: Convert to fraction form
    443,277.87/664,889.43 = 176,846.61/x
  3. Step 3: Cross multiply
    443,277.87x = 664,889.43 × 176,846.61
  4. Step 4: Simplify right side
    443,277.87x = 117,583,441,720.33
  5. Step 5: Solve for x
    x = 117,583,441,720.33/443,277.87
  6. Step 6: Final answer
    x = 265,258.99

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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.