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Finding the Fourth Proportional to 443,272.68, 665,200.74 and 162,792.36

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Solution

The fourth proportional to 443,272.68, 665,200.74 and 162,792.36 is: 244,295.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,272.68 : 665,200.74 = 162,792.36 : x
  2. Step 2: Convert to fraction form
    443,272.68/665,200.74 = 162,792.36/x
  3. Step 3: Cross multiply
    443,272.68x = 665,200.74 × 162,792.36
  4. Step 4: Simplify right side
    443,272.68x = 108,289,598,338.35
  5. Step 5: Solve for x
    x = 108,289,598,338.35/443,272.68
  6. Step 6: Final answer
    x = 244,295.67

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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.