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Finding the Fourth Proportional to 323,336.88, 446,222.79 and 194,314.82

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Solution

The fourth proportional to 323,336.88, 446,222.79 and 194,314.82 is: 268,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,336.88 : 446,222.79 = 194,314.82 : x
  2. Step 2: Convert to fraction form
    323,336.88/446,222.79 = 194,314.82/x
  3. Step 3: Cross multiply
    323,336.88x = 446,222.79 × 194,314.82
  4. Step 4: Simplify right side
    323,336.88x = 86,707,698,887.63
  5. Step 5: Solve for x
    x = 86,707,698,887.63/323,336.88
  6. Step 6: Final answer
    x = 268,165.20

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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.