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Finding the Fourth Proportional to 339,908.70, 510,008.85 and 173,696.70

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Solution

The fourth proportional to 339,908.70, 510,008.85 and 173,696.70 is: 260,619.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,908.70 : 510,008.85 = 173,696.70 : x
  2. Step 2: Convert to fraction form
    339,908.70/510,008.85 = 173,696.70/x
  3. Step 3: Cross multiply
    339,908.70x = 510,008.85 × 173,696.70
  4. Step 4: Simplify right side
    339,908.70x = 88,586,854,215.80
  5. Step 5: Solve for x
    x = 88,586,854,215.80/339,908.70
  6. Step 6: Final answer
    x = 260,619.56

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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.