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Finding the Fourth Proportional to 520,033.60, 779,175.60 and 444,800.80

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Solution

The fourth proportional to 520,033.60, 779,175.60 and 444,800.80 is: 666,452.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,033.60 : 779,175.60 = 444,800.80 : x
  2. Step 2: Convert to fraction form
    520,033.60/779,175.60 = 444,800.80/x
  3. Step 3: Cross multiply
    520,033.60x = 779,175.60 × 444,800.80
  4. Step 4: Simplify right side
    520,033.60x = 346,577,930,220.48
  5. Step 5: Solve for x
    x = 346,577,930,220.48/520,033.60
  6. Step 6: Final answer
    x = 666,452.96

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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.