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Finding the Fourth Proportional to 536,791.68, 740,781.72 and 295,084.44

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Solution

The fourth proportional to 536,791.68, 740,781.72 and 295,084.44 is: 407,221.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,791.68 : 740,781.72 = 295,084.44 : x
  2. Step 2: Convert to fraction form
    536,791.68/740,781.72 = 295,084.44/x
  3. Step 3: Cross multiply
    536,791.68x = 740,781.72 × 295,084.44
  4. Step 4: Simplify right side
    536,791.68x = 218,593,159,008.44
  5. Step 5: Solve for x
    x = 218,593,159,008.44/536,791.68
  6. Step 6: Final answer
    x = 407,221.59

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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.