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Finding the Fourth Proportional to 603,926.80, 906,408.60 and 267,485.20

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Solution

The fourth proportional to 603,926.80, 906,408.60 and 267,485.20 is: 401,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,926.80 : 906,408.60 = 267,485.20 : x
  2. Step 2: Convert to fraction form
    603,926.80/906,408.60 = 267,485.20/x
  3. Step 3: Cross multiply
    603,926.80x = 906,408.60 × 267,485.20
  4. Step 4: Simplify right side
    603,926.80x = 242,450,885,652.72
  5. Step 5: Solve for x
    x = 242,450,885,652.72/603,926.80
  6. Step 6: Final answer
    x = 401,457.40

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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.