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Finding the Fourth Proportional to 356,247.72, 535,207.50 and 336,072.24

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Solution

The fourth proportional to 356,247.72, 535,207.50 and 336,072.24 is: 504,896.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,247.72 : 535,207.50 = 336,072.24 : x
  2. Step 2: Convert to fraction form
    356,247.72/535,207.50 = 336,072.24/x
  3. Step 3: Cross multiply
    356,247.72x = 535,207.50 × 336,072.24
  4. Step 4: Simplify right side
    356,247.72x = 179,868,383,389.80
  5. Step 5: Solve for x
    x = 179,868,383,389.80/356,247.72
  6. Step 6: Final answer
    x = 504,896.94

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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.