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Finding the Fourth Proportional to 451,808.70, 677,713.05 and 444,810.30

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Solution

The fourth proportional to 451,808.70, 677,713.05 and 444,810.30 is: 667,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,808.70 : 677,713.05 = 444,810.30 : x
  2. Step 2: Convert to fraction form
    451,808.70/677,713.05 = 444,810.30/x
  3. Step 3: Cross multiply
    451,808.70x = 677,713.05 × 444,810.30
  4. Step 4: Simplify right side
    451,808.70x = 301,453,745,084.42
  5. Step 5: Solve for x
    x = 301,453,745,084.42/451,808.70
  6. Step 6: Final answer
    x = 667,215.45

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Similar ratio
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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.