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Finding the Fourth Proportional to 451,617.20, 677,425.80 and 444,618.80

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Solution

The fourth proportional to 451,617.20, 677,425.80 and 444,618.80 is: 666,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,617.20 : 677,425.80 = 444,618.80 : x
  2. Step 2: Convert to fraction form
    451,617.20/677,425.80 = 444,618.80/x
  3. Step 3: Cross multiply
    451,617.20x = 677,425.80 × 444,618.80
  4. Step 4: Simplify right side
    451,617.20x = 301,196,246,285.04
  5. Step 5: Solve for x
    x = 301,196,246,285.04/451,617.20
  6. Step 6: Final answer
    x = 666,928.20

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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.