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Finding the Fourth Proportional to 385,227.92, 577,462.79 and 225,100.64

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Solution

The fourth proportional to 385,227.92, 577,462.79 and 225,100.64 is: 337,429.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,227.92 : 577,462.79 = 225,100.64 : x
  2. Step 2: Convert to fraction form
    385,227.92/577,462.79 = 225,100.64/x
  3. Step 3: Cross multiply
    385,227.92x = 577,462.79 × 225,100.64
  4. Step 4: Simplify right side
    385,227.92x = 129,987,239,592.37
  5. Step 5: Solve for x
    x = 129,987,239,592.37/385,227.92
  6. Step 6: Final answer
    x = 337,429.44

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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.