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Finding the Fourth Proportional to 323,718.33, 446,889.78 and 250,960.50

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Solution

The fourth proportional to 323,718.33, 446,889.78 and 250,960.50 is: 346,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,718.33 : 446,889.78 = 250,960.50 : x
  2. Step 2: Convert to fraction form
    323,718.33/446,889.78 = 250,960.50/x
  3. Step 3: Cross multiply
    323,718.33x = 446,889.78 × 250,960.50
  4. Step 4: Simplify right side
    323,718.33x = 112,151,682,633.69
  5. Step 5: Solve for x
    x = 112,151,682,633.69/323,718.33
  6. Step 6: Final answer
    x = 346,448.35

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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.