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Finding the Fourth Proportional to 444,193.20, 666,289.80 and 402,202.80

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Solution

The fourth proportional to 444,193.20, 666,289.80 and 402,202.80 is: 603,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,193.20 : 666,289.80 = 402,202.80 : x
  2. Step 2: Convert to fraction form
    444,193.20/666,289.80 = 402,202.80/x
  3. Step 3: Cross multiply
    444,193.20x = 666,289.80 × 402,202.80
  4. Step 4: Simplify right side
    444,193.20x = 267,983,623,171.44
  5. Step 5: Solve for x
    x = 267,983,623,171.44/444,193.20
  6. Step 6: Final answer
    x = 603,304.20

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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.