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Finding the Fourth Proportional to 494,301.60, 741,452.40 and 284,349.60

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Solution

The fourth proportional to 494,301.60, 741,452.40 and 284,349.60 is: 426,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,301.60 : 741,452.40 = 284,349.60 : x
  2. Step 2: Convert to fraction form
    494,301.60/741,452.40 = 284,349.60/x
  3. Step 3: Cross multiply
    494,301.60x = 741,452.40 × 284,349.60
  4. Step 4: Simplify right side
    494,301.60x = 210,831,693,359.04
  5. Step 5: Solve for x
    x = 210,831,693,359.04/494,301.60
  6. Step 6: Final answer
    x = 426,524.40

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Double scale
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Similar ratio
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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.