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Finding the Fourth Proportional to 535,046.22, 738,371.97 and 320,195.34

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Solution

The fourth proportional to 535,046.22, 738,371.97 and 320,195.34 is: 441,874.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,046.22 : 738,371.97 = 320,195.34 : x
  2. Step 2: Convert to fraction form
    535,046.22/738,371.97 = 320,195.34/x
  3. Step 3: Cross multiply
    535,046.22x = 738,371.97 × 320,195.34
  4. Step 4: Simplify right side
    535,046.22x = 236,423,263,980.62
  5. Step 5: Solve for x
    x = 236,423,263,980.62/535,046.22
  6. Step 6: Final answer
    x = 441,874.47

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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.