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Finding the Fourth Proportional to 339,564.30, 468,005.58 and 248,727.21

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Solution

The fourth proportional to 339,564.30, 468,005.58 and 248,727.21 is: 342,809.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,564.30 : 468,005.58 = 248,727.21 : x
  2. Step 2: Convert to fraction form
    339,564.30/468,005.58 = 248,727.21/x
  3. Step 3: Cross multiply
    339,564.30x = 468,005.58 × 248,727.21
  4. Step 4: Simplify right side
    339,564.30x = 116,405,722,177.83
  5. Step 5: Solve for x
    x = 116,405,722,177.83/339,564.30
  6. Step 6: Final answer
    x = 342,809.07

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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.