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Finding the Fourth Proportional to 444,306.87, 666,500.81 and 144,710.55

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Solution

The fourth proportional to 444,306.87, 666,500.81 and 144,710.55 is: 217,079.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,306.87 : 666,500.81 = 144,710.55 : x
  2. Step 2: Convert to fraction form
    444,306.87/666,500.81 = 144,710.55/x
  3. Step 3: Cross multiply
    444,306.87x = 666,500.81 × 144,710.55
  4. Step 4: Simplify right side
    444,306.87x = 96,449,698,066.99
  5. Step 5: Solve for x
    x = 96,449,698,066.99/444,306.87
  6. Step 6: Final answer
    x = 217,079.02

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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.