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Finding the Fourth Proportional to 444,562.40, 666,354.36 and 219,589.76

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Solution

The fourth proportional to 444,562.40, 666,354.36 and 219,589.76 is: 329,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,562.40 : 666,354.36 = 219,589.76 : x
  2. Step 2: Convert to fraction form
    444,562.40/666,354.36 = 219,589.76/x
  3. Step 3: Cross multiply
    444,562.40x = 666,354.36 × 219,589.76
  4. Step 4: Simplify right side
    444,562.40x = 146,324,593,987.35
  5. Step 5: Solve for x
    x = 146,324,593,987.35/444,562.40
  6. Step 6: Final answer
    x = 329,142.98

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1.5x scale

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.