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Finding the Fourth Proportional to 336,672.91, 465,224.48 and 320,272.03

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Solution

The fourth proportional to 336,672.91, 465,224.48 and 320,272.03 is: 442,561.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,672.91 : 465,224.48 = 320,272.03 : x
  2. Step 2: Convert to fraction form
    336,672.91/465,224.48 = 320,272.03/x
  3. Step 3: Cross multiply
    336,672.91x = 465,224.48 × 320,272.03
  4. Step 4: Simplify right side
    336,672.91x = 148,998,388,615.29
  5. Step 5: Solve for x
    x = 148,998,388,615.29/336,672.91
  6. Step 6: Final answer
    x = 442,561.26

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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.