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Finding the Fourth Proportional to 494,891.04, 741,675.60 and 257,736.48

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Solution

The fourth proportional to 494,891.04, 741,675.60 and 257,736.48 is: 386,260.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,891.04 : 741,675.60 = 257,736.48 : x
  2. Step 2: Convert to fraction form
    494,891.04/741,675.60 = 257,736.48/x
  3. Step 3: Cross multiply
    494,891.04x = 741,675.60 × 257,736.48
  4. Step 4: Simplify right side
    494,891.04x = 191,156,858,445.89
  5. Step 5: Solve for x
    x = 191,156,858,445.89/494,891.04
  6. Step 6: Final answer
    x = 386,260.50

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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.