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Finding the Fourth Proportional to 529,791.98, 794,687.72 and 155,814.98

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Solution

The fourth proportional to 529,791.98, 794,687.72 and 155,814.98 is: 233,722.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,791.98 : 794,687.72 = 155,814.98 : x
  2. Step 2: Convert to fraction form
    529,791.98/794,687.72 = 155,814.98/x
  3. Step 3: Cross multiply
    529,791.98x = 794,687.72 × 155,814.98
  4. Step 4: Simplify right side
    529,791.98x = 123,824,246,445.53
  5. Step 5: Solve for x
    x = 123,824,246,445.53/529,791.98
  6. Step 6: Final answer
    x = 233,722.39

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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.