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Finding the Fourth Proportional to 443,169.76, 664,841.76 and 162,689.44

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Solution

The fourth proportional to 443,169.76, 664,841.76 and 162,689.44 is: 244,066.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,169.76 : 664,841.76 = 162,689.44 : x
  2. Step 2: Convert to fraction form
    443,169.76/664,841.76 = 162,689.44/x
  3. Step 3: Cross multiply
    443,169.76x = 664,841.76 × 162,689.44
  4. Step 4: Simplify right side
    443,169.76x = 108,162,733,623.01
  5. Step 5: Solve for x
    x = 108,162,733,623.01/443,169.76
  6. Step 6: Final answer
    x = 244,066.14

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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.