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Finding the Fourth Proportional to 444,914.70, 667,444.77 and 145,308.30

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Solution

The fourth proportional to 444,914.70, 667,444.77 and 145,308.30 is: 217,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,914.70 : 667,444.77 = 145,308.30 : x
  2. Step 2: Convert to fraction form
    444,914.70/667,444.77 = 145,308.30/x
  3. Step 3: Cross multiply
    444,914.70x = 667,444.77 × 145,308.30
  4. Step 4: Simplify right side
    444,914.70x = 96,985,264,872.59
  5. Step 5: Solve for x
    x = 96,985,264,872.59/444,914.70
  6. Step 6: Final answer
    x = 217,986.20

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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.