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Finding the Fourth Proportional to 497,736.40, 746,604.60 and 329,774.80

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Solution

The fourth proportional to 497,736.40, 746,604.60 and 329,774.80 is: 494,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,736.40 : 746,604.60 = 329,774.80 : x
  2. Step 2: Convert to fraction form
    497,736.40/746,604.60 = 329,774.80/x
  3. Step 3: Cross multiply
    497,736.40x = 746,604.60 × 329,774.80
  4. Step 4: Simplify right side
    497,736.40x = 246,211,382,644.08
  5. Step 5: Solve for x
    x = 246,211,382,644.08/497,736.40
  6. Step 6: Final answer
    x = 494,662.20

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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.