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Finding the Fourth Proportional to 604,845.80, 906,393.90 and 267,610.40

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Solution

The fourth proportional to 604,845.80, 906,393.90 and 267,610.40 is: 401,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,845.80 : 906,393.90 = 267,610.40 : x
  2. Step 2: Convert to fraction form
    604,845.80/906,393.90 = 267,610.40/x
  3. Step 3: Cross multiply
    604,845.80x = 906,393.90 × 267,610.40
  4. Step 4: Simplify right side
    604,845.80x = 242,560,434,136.56
  5. Step 5: Solve for x
    x = 242,560,434,136.56/604,845.80
  6. Step 6: Final answer
    x = 401,028.55

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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.