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Finding the Fourth Proportional to 443,541.43, 665,367.51 and 173,634.71

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Solution

The fourth proportional to 443,541.43, 665,367.51 and 173,634.71 is: 260,473.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,541.43 : 665,367.51 = 173,634.71 : x
  2. Step 2: Convert to fraction form
    443,541.43/665,367.51 = 173,634.71/x
  3. Step 3: Cross multiply
    443,541.43x = 665,367.51 × 173,634.71
  4. Step 4: Simplify right side
    443,541.43x = 115,530,894,642.27
  5. Step 5: Solve for x
    x = 115,530,894,642.27/443,541.43
  6. Step 6: Final answer
    x = 260,473.74

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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.