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Finding the Fourth Proportional to 343,601.28, 474,193.44 and 192,708

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Solution

The fourth proportional to 343,601.28, 474,193.44 and 192,708 is: 265,950.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,601.28 : 474,193.44 = 192,708 : x
  2. Step 2: Convert to fraction form
    343,601.28/474,193.44 = 192,708/x
  3. Step 3: Cross multiply
    343,601.28x = 474,193.44 × 192,708
  4. Step 4: Simplify right side
    343,601.28x = 91,380,869,435.52
  5. Step 5: Solve for x
    x = 91,380,869,435.52/343,601.28
  6. Step 6: Final answer
    x = 265,950.32

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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.