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Finding the Fourth Proportional to 444,241.32, 666,361.43 and 144,721.40

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Solution

The fourth proportional to 444,241.32, 666,361.43 and 144,721.40 is: 217,081.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,241.32 : 666,361.43 = 144,721.40 : x
  2. Step 2: Convert to fraction form
    444,241.32/666,361.43 = 144,721.40/x
  3. Step 3: Cross multiply
    444,241.32x = 666,361.43 × 144,721.40
  4. Step 4: Simplify right side
    444,241.32x = 96,436,759,055.60
  5. Step 5: Solve for x
    x = 96,436,759,055.60/444,241.32
  6. Step 6: Final answer
    x = 217,081.92

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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.