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Finding the Fourth Proportional to 488,262.72, 732,111.84 and 151,213.44

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Solution

The fourth proportional to 488,262.72, 732,111.84 and 151,213.44 is: 226,732.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,262.72 : 732,111.84 = 151,213.44 : x
  2. Step 2: Convert to fraction form
    488,262.72/732,111.84 = 151,213.44/x
  3. Step 3: Cross multiply
    488,262.72x = 732,111.84 × 151,213.44
  4. Step 4: Simplify right side
    488,262.72x = 110,705,149,791.13
  5. Step 5: Solve for x
    x = 110,705,149,791.13/488,262.72
  6. Step 6: Final answer
    x = 226,732.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.