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Finding the Fourth Proportional to 444,700.80, 667,051.20 and 416,707.20

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Solution

The fourth proportional to 444,700.80, 667,051.20 and 416,707.20 is: 625,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,700.80 : 667,051.20 = 416,707.20 : x
  2. Step 2: Convert to fraction form
    444,700.80/667,051.20 = 416,707.20/x
  3. Step 3: Cross multiply
    444,700.80x = 667,051.20 × 416,707.20
  4. Step 4: Simplify right side
    444,700.80x = 277,965,037,808.64
  5. Step 5: Solve for x
    x = 277,965,037,808.64/444,700.80
  6. Step 6: Final answer
    x = 625,060.80

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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.