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Finding the Fourth Proportional to 339,216.84, 508,843.08 and 102,553.50

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Solution

The fourth proportional to 339,216.84, 508,843.08 and 102,553.50 is: 153,835.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,216.84 : 508,843.08 = 102,553.50 : x
  2. Step 2: Convert to fraction form
    339,216.84/508,843.08 = 102,553.50/x
  3. Step 3: Cross multiply
    339,216.84x = 508,843.08 × 102,553.50
  4. Step 4: Simplify right side
    339,216.84x = 52,183,638,804.78
  5. Step 5: Solve for x
    x = 52,183,638,804.78/339,216.84
  6. Step 6: Final answer
    x = 153,835.64

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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.