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Finding the Fourth Proportional to 349,452.56, 524,175.96 and 100,134.80

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Solution

The fourth proportional to 349,452.56, 524,175.96 and 100,134.80 is: 150,201.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,452.56 : 524,175.96 = 100,134.80 : x
  2. Step 2: Convert to fraction form
    349,452.56/524,175.96 = 100,134.80/x
  3. Step 3: Cross multiply
    349,452.56x = 524,175.96 × 100,134.80
  4. Step 4: Simplify right side
    349,452.56x = 52,488,254,919.41
  5. Step 5: Solve for x
    x = 52,488,254,919.41/349,452.56
  6. Step 6: Final answer
    x = 150,201.37

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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.