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Finding the Fourth Proportional to 494,553.60, 741,830.40 and 284,601.60

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Solution

The fourth proportional to 494,553.60, 741,830.40 and 284,601.60 is: 426,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,553.60 : 741,830.40 = 284,601.60 : x
  2. Step 2: Convert to fraction form
    494,553.60/741,830.40 = 284,601.60/x
  3. Step 3: Cross multiply
    494,553.60x = 741,830.40 × 284,601.60
  4. Step 4: Simplify right side
    494,553.60x = 211,126,118,768.64
  5. Step 5: Solve for x
    x = 211,126,118,768.64/494,553.60
  6. Step 6: Final answer
    x = 426,902.40

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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.