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Finding the Fourth Proportional to 291,782.43, 402,506.69 and 237,395.39

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Solution

The fourth proportional to 291,782.43, 402,506.69 and 237,395.39 is: 327,481.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,782.43 : 402,506.69 = 237,395.39 : x
  2. Step 2: Convert to fraction form
    291,782.43/402,506.69 = 237,395.39/x
  3. Step 3: Cross multiply
    291,782.43x = 402,506.69 × 237,395.39
  4. Step 4: Simplify right side
    291,782.43x = 95,553,229,450.65
  5. Step 5: Solve for x
    x = 95,553,229,450.65/291,782.43
  6. Step 6: Final answer
    x = 327,481.09

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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.