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Finding the Fourth Proportional to 603,927.80, 906,410.10 and 267,486.20

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Solution

The fourth proportional to 603,927.80, 906,410.10 and 267,486.20 is: 401,458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,927.80 : 906,410.10 = 267,486.20 : x
  2. Step 2: Convert to fraction form
    603,927.80/906,410.10 = 267,486.20/x
  3. Step 3: Cross multiply
    603,927.80x = 906,410.10 × 267,486.20
  4. Step 4: Simplify right side
    603,927.80x = 242,452,193,290.62
  5. Step 5: Solve for x
    x = 242,452,193,290.62/603,927.80
  6. Step 6: Final answer
    x = 401,458.91

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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.