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Finding the Fourth Proportional to 356,654.56, 535,033.68 and 190,351.84

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Solution

The fourth proportional to 356,654.56, 535,033.68 and 190,351.84 is: 285,555.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,654.56 : 535,033.68 = 190,351.84 : x
  2. Step 2: Convert to fraction form
    356,654.56/535,033.68 = 190,351.84/x
  3. Step 3: Cross multiply
    356,654.56x = 535,033.68 × 190,351.84
  4. Step 4: Simplify right side
    356,654.56x = 101,844,645,449.97
  5. Step 5: Solve for x
    x = 101,844,645,449.97/356,654.56
  6. Step 6: Final answer
    x = 285,555.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.