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Finding the Fourth Proportional to 344,224.81, 475,028.70 and 191,287.90

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Solution

The fourth proportional to 344,224.81, 475,028.70 and 191,287.90 is: 263,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,224.81 : 475,028.70 = 191,287.90 : x
  2. Step 2: Convert to fraction form
    344,224.81/475,028.70 = 191,287.90/x
  3. Step 3: Cross multiply
    344,224.81x = 475,028.70 × 191,287.90
  4. Step 4: Simplify right side
    344,224.81x = 90,867,242,462.73
  5. Step 5: Solve for x
    x = 90,867,242,462.73/344,224.81
  6. Step 6: Final answer
    x = 263,976.45

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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.