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Finding the Fourth Proportional to 536,604.60, 804,906.90 and 347,647.80

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Solution

The fourth proportional to 536,604.60, 804,906.90 and 347,647.80 is: 521,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,604.60 : 804,906.90 = 347,647.80 : x
  2. Step 2: Convert to fraction form
    536,604.60/804,906.90 = 347,647.80/x
  3. Step 3: Cross multiply
    536,604.60x = 804,906.90 × 347,647.80
  4. Step 4: Simplify right side
    536,604.60x = 279,824,112,989.82
  5. Step 5: Solve for x
    x = 279,824,112,989.82/536,604.60
  6. Step 6: Final answer
    x = 521,471.70

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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.