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Finding the Fourth Proportional to 494,601.70, 741,902.55 and 292,522.90

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Solution

The fourth proportional to 494,601.70, 741,902.55 and 292,522.90 is: 438,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,601.70 : 741,902.55 = 292,522.90 : x
  2. Step 2: Convert to fraction form
    494,601.70/741,902.55 = 292,522.90/x
  3. Step 3: Cross multiply
    494,601.70x = 741,902.55 × 292,522.90
  4. Step 4: Simplify right side
    494,601.70x = 217,023,485,443.40
  5. Step 5: Solve for x
    x = 217,023,485,443.40/494,601.70
  6. Step 6: Final answer
    x = 438,784.35

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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.