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Finding the Fourth Proportional to 452,019.20, 678,201.60 and 444,934.40

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Solution

The fourth proportional to 452,019.20, 678,201.60 and 444,934.40 is: 667,571.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,019.20 : 678,201.60 = 444,934.40 : x
  2. Step 2: Convert to fraction form
    452,019.20/678,201.60 = 444,934.40/x
  3. Step 3: Cross multiply
    452,019.20x = 678,201.60 × 444,934.40
  4. Step 4: Simplify right side
    452,019.20x = 301,755,221,975.04
  5. Step 5: Solve for x
    x = 301,755,221,975.04/452,019.20
  6. Step 6: Final answer
    x = 667,571.69

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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.