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Finding the Fourth Proportional to 431,115.91, 594,940.55 and 234,881.41

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Solution

The fourth proportional to 431,115.91, 594,940.55 and 234,881.41 is: 324,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,115.91 : 594,940.55 = 234,881.41 : x
  2. Step 2: Convert to fraction form
    431,115.91/594,940.55 = 234,881.41/x
  3. Step 3: Cross multiply
    431,115.91x = 594,940.55 × 234,881.41
  4. Step 4: Simplify right side
    431,115.91x = 139,740,472,867.29
  5. Step 5: Solve for x
    x = 139,740,472,867.29/431,115.91
  6. Step 6: Final answer
    x = 324,136.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.