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Finding the Fourth Proportional to 339,216.93, 508,843.40 and 102,553.57

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Solution

The fourth proportional to 339,216.93, 508,843.40 and 102,553.57 is: 153,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,216.93 : 508,843.40 = 102,553.57 : x
  2. Step 2: Convert to fraction form
    339,216.93/508,843.40 = 102,553.57/x
  3. Step 3: Cross multiply
    339,216.93x = 508,843.40 × 102,553.57
  4. Step 4: Simplify right side
    339,216.93x = 52,183,706,728.17
  5. Step 5: Solve for x
    x = 52,183,706,728.17/339,216.93
  6. Step 6: Final answer
    x = 153,835.80

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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.