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Finding the Fourth Proportional to 494,135.40, 741,203.10 and 325,736.40

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Solution

The fourth proportional to 494,135.40, 741,203.10 and 325,736.40 is: 488,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,135.40 : 741,203.10 = 325,736.40 : x
  2. Step 2: Convert to fraction form
    494,135.40/741,203.10 = 325,736.40/x
  3. Step 3: Cross multiply
    494,135.40x = 741,203.10 × 325,736.40
  4. Step 4: Simplify right side
    494,135.40x = 241,436,829,462.84
  5. Step 5: Solve for x
    x = 241,436,829,462.84/494,135.40
  6. Step 6: Final answer
    x = 488,604.60

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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.