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Finding the Fourth Proportional to 444,624.90, 666,448.02 and 219,652.26

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Solution

The fourth proportional to 444,624.90, 666,448.02 and 219,652.26 is: 329,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,624.90 : 666,448.02 = 219,652.26 : x
  2. Step 2: Convert to fraction form
    444,624.90/666,448.02 = 219,652.26/x
  3. Step 3: Cross multiply
    444,624.90x = 666,448.02 × 219,652.26
  4. Step 4: Simplify right side
    444,624.90x = 146,386,813,765.53
  5. Step 5: Solve for x
    x = 146,386,813,765.53/444,624.90
  6. Step 6: Final answer
    x = 329,236.65

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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.