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Finding the Fourth Proportional to 444,200.10, 666,737.55 and 219,813.90

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Solution

The fourth proportional to 444,200.10, 666,737.55 and 219,813.90 is: 329,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,200.10 : 666,737.55 = 219,813.90 : x
  2. Step 2: Convert to fraction form
    444,200.10/666,737.55 = 219,813.90/x
  3. Step 3: Cross multiply
    444,200.10x = 666,737.55 × 219,813.90
  4. Step 4: Simplify right side
    444,200.10x = 146,558,181,141.95
  5. Step 5: Solve for x
    x = 146,558,181,141.95/444,200.10
  6. Step 6: Final answer
    x = 329,937.30

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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.