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Finding the Fourth Proportional to 551,828.44, 827,777.90 and 147,013.92

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Solution

The fourth proportional to 551,828.44, 827,777.90 and 147,013.92 is: 220,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,828.44 : 827,777.90 = 147,013.92 : x
  2. Step 2: Convert to fraction form
    551,828.44/827,777.90 = 147,013.92/x
  3. Step 3: Cross multiply
    551,828.44x = 827,777.90 × 147,013.92
  4. Step 4: Simplify right side
    551,828.44x = 121,694,873,968.37
  5. Step 5: Solve for x
    x = 121,694,873,968.37/551,828.44
  6. Step 6: Final answer
    x = 220,530.27

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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.