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Finding the Fourth Proportional to 444,117.30, 665,738.55 and 219,512.40

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Solution

The fourth proportional to 444,117.30, 665,738.55 and 219,512.40 is: 329,052.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,117.30 : 665,738.55 = 219,512.40 : x
  2. Step 2: Convert to fraction form
    444,117.30/665,738.55 = 219,512.40/x
  3. Step 3: Cross multiply
    444,117.30x = 665,738.55 × 219,512.40
  4. Step 4: Simplify right side
    444,117.30x = 146,137,866,883.02
  5. Step 5: Solve for x
    x = 146,137,866,883.02/444,117.30
  6. Step 6: Final answer
    x = 329,052.41

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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.