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Finding the Fourth Proportional to 444,439.50, 666,728.50 and 144,850.57

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Solution

The fourth proportional to 444,439.50, 666,728.50 and 144,850.57 is: 217,298.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,439.50 : 666,728.50 = 144,850.57 : x
  2. Step 2: Convert to fraction form
    444,439.50/666,728.50 = 144,850.57/x
  3. Step 3: Cross multiply
    444,439.50x = 666,728.50 × 144,850.57
  4. Step 4: Simplify right side
    444,439.50x = 96,575,999,926.60
  5. Step 5: Solve for x
    x = 96,575,999,926.60/444,439.50
  6. Step 6: Final answer
    x = 217,298.42

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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.