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Finding the Fourth Proportional to 494,248.80, 741,373.20 and 325,995.60

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Solution

The fourth proportional to 494,248.80, 741,373.20 and 325,995.60 is: 488,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,248.80 : 741,373.20 = 325,995.60 : x
  2. Step 2: Convert to fraction form
    494,248.80/741,373.20 = 325,995.60/x
  3. Step 3: Cross multiply
    494,248.80x = 741,373.20 × 325,995.60
  4. Step 4: Simplify right side
    494,248.80x = 241,684,401,157.92
  5. Step 5: Solve for x
    x = 241,684,401,157.92/494,248.80
  6. Step 6: Final answer
    x = 488,993.40

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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.