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Finding the Fourth Proportional to 351,194.81, 484,644.87 and 190,046.93

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Solution

The fourth proportional to 351,194.81, 484,644.87 and 190,046.93 is: 262,262.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,194.81 : 484,644.87 = 190,046.93 : x
  2. Step 2: Convert to fraction form
    351,194.81/484,644.87 = 190,046.93/x
  3. Step 3: Cross multiply
    351,194.81x = 484,644.87 × 190,046.93
  4. Step 4: Simplify right side
    351,194.81x = 92,105,267,260.52
  5. Step 5: Solve for x
    x = 92,105,267,260.52/351,194.81
  6. Step 6: Final answer
    x = 262,262.61

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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.