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Finding the Fourth Proportional to 520,067.60, 779,226.60 and 444,834.80

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Solution

The fourth proportional to 520,067.60, 779,226.60 and 444,834.80 is: 666,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,067.60 : 779,226.60 = 444,834.80 : x
  2. Step 2: Convert to fraction form
    520,067.60/779,226.60 = 444,834.80/x
  3. Step 3: Cross multiply
    520,067.60x = 779,226.60 × 444,834.80
  4. Step 4: Simplify right side
    520,067.60x = 346,627,108,765.68
  5. Step 5: Solve for x
    x = 346,627,108,765.68/520,067.60
  6. Step 6: Final answer
    x = 666,503.95

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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.