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Finding the Fourth Proportional to 344,371.46, 475,209.54 and 191,399.72

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Solution

The fourth proportional to 344,371.46, 475,209.54 and 191,399.72 is: 264,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,371.46 : 475,209.54 = 191,399.72 : x
  2. Step 2: Convert to fraction form
    344,371.46/475,209.54 = 191,399.72/x
  3. Step 3: Cross multiply
    344,371.46x = 475,209.54 × 191,399.72
  4. Step 4: Simplify right side
    344,371.46x = 90,954,970,521.28
  5. Step 5: Solve for x
    x = 90,954,970,521.28/344,371.46
  6. Step 6: Final answer
    x = 264,118.79

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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.