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Finding the Fourth Proportional to 246,578.87, 340,259.46 and 151,072.58

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Solution

The fourth proportional to 246,578.87, 340,259.46 and 151,072.58 is: 208,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,578.87 : 340,259.46 = 151,072.58 : x
  2. Step 2: Convert to fraction form
    246,578.87/340,259.46 = 151,072.58/x
  3. Step 3: Cross multiply
    246,578.87x = 340,259.46 × 151,072.58
  4. Step 4: Simplify right side
    246,578.87x = 51,403,874,491.61
  5. Step 5: Solve for x
    x = 51,403,874,491.61/246,578.87
  6. Step 6: Final answer
    x = 208,468.29

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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.