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Finding the Fourth Proportional to 431,212.43, 595,099.20 and 237,619.82

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Solution

The fourth proportional to 431,212.43, 595,099.20 and 237,619.82 is: 327,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,212.43 : 595,099.20 = 237,619.82 : x
  2. Step 2: Convert to fraction form
    431,212.43/595,099.20 = 237,619.82/x
  3. Step 3: Cross multiply
    431,212.43x = 595,099.20 × 237,619.82
  4. Step 4: Simplify right side
    431,212.43x = 141,407,361,810.65
  5. Step 5: Solve for x
    x = 141,407,361,810.65/431,212.43
  6. Step 6: Final answer
    x = 327,929.70

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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.