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Finding the Fourth Proportional to 443,383.94, 665,340.87 and 162,929.54

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Solution

The fourth proportional to 443,383.94, 665,340.87 and 162,929.54 is: 244,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,383.94 : 665,340.87 = 162,929.54 : x
  2. Step 2: Convert to fraction form
    443,383.94/665,340.87 = 162,929.54/x
  3. Step 3: Cross multiply
    443,383.94x = 665,340.87 × 162,929.54
  4. Step 4: Simplify right side
    443,383.94x = 108,403,681,892.30
  5. Step 5: Solve for x
    x = 108,403,681,892.30/443,383.94
  6. Step 6: Final answer
    x = 244,491.67

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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.