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Finding the Fourth Proportional to 444,002.80, 666,004.20 and 311,033.20

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Solution

The fourth proportional to 444,002.80, 666,004.20 and 311,033.20 is: 466,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,002.80 : 666,004.20 = 311,033.20 : x
  2. Step 2: Convert to fraction form
    444,002.80/666,004.20 = 311,033.20/x
  3. Step 3: Cross multiply
    444,002.80x = 666,004.20 × 311,033.20
  4. Step 4: Simplify right side
    444,002.80x = 207,149,417,539.44
  5. Step 5: Solve for x
    x = 207,149,417,539.44/444,002.80
  6. Step 6: Final answer
    x = 466,549.80

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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.