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Finding the Fourth Proportional to 603,914.80, 906,390.60 and 267,473.20

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Solution

The fourth proportional to 603,914.80, 906,390.60 and 267,473.20 is: 401,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,914.80 : 906,390.60 = 267,473.20 : x
  2. Step 2: Convert to fraction form
    603,914.80/906,390.60 = 267,473.20/x
  3. Step 3: Cross multiply
    603,914.80x = 906,390.60 × 267,473.20
  4. Step 4: Simplify right side
    603,914.80x = 242,435,194,231.92
  5. Step 5: Solve for x
    x = 242,435,194,231.92/603,914.80
  6. Step 6: Final answer
    x = 401,439.40

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Double scale
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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.