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Finding the Fourth Proportional to 551,660.96, 827,494.32 and 219,237.92

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Solution

The fourth proportional to 551,660.96, 827,494.32 and 219,237.92 is: 328,858.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,660.96 : 827,494.32 = 219,237.92 : x
  2. Step 2: Convert to fraction form
    551,660.96/827,494.32 = 219,237.92/x
  3. Step 3: Cross multiply
    551,660.96x = 827,494.32 × 219,237.92
  4. Step 4: Simplify right side
    551,660.96x = 181,418,133,528.61
  5. Step 5: Solve for x
    x = 181,418,133,528.61/551,660.96
  6. Step 6: Final answer
    x = 328,858.02

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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.