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Finding the Fourth Proportional to 494,138.80, 741,208.20 and 334,471.60

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Solution

The fourth proportional to 494,138.80, 741,208.20 and 334,471.60 is: 501,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,138.80 : 741,208.20 = 334,471.60 : x
  2. Step 2: Convert to fraction form
    494,138.80/741,208.20 = 334,471.60/x
  3. Step 3: Cross multiply
    494,138.80x = 741,208.20 × 334,471.60
  4. Step 4: Simplify right side
    494,138.80x = 247,913,092,587.12
  5. Step 5: Solve for x
    x = 247,913,092,587.12/494,138.80
  6. Step 6: Final answer
    x = 501,707.40

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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.