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Finding the Fourth Proportional to 444,290.40, 666,241.20 and 177,962.40

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Solution

The fourth proportional to 444,290.40, 666,241.20 and 177,962.40 is: 266,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,290.40 : 666,241.20 = 177,962.40 : x
  2. Step 2: Convert to fraction form
    444,290.40/666,241.20 = 177,962.40/x
  3. Step 3: Cross multiply
    444,290.40x = 666,241.20 × 177,962.40
  4. Step 4: Simplify right side
    444,290.40x = 118,565,882,930.88
  5. Step 5: Solve for x
    x = 118,565,882,930.88/444,290.40
  6. Step 6: Final answer
    x = 266,865.73

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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.