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Finding the Fourth Proportional to 365,747.20, 504,777.60 and 204,611.20

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Solution

The fourth proportional to 365,747.20, 504,777.60 and 204,611.20 is: 282,389.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,747.20 : 504,777.60 = 204,611.20 : x
  2. Step 2: Convert to fraction form
    365,747.20/504,777.60 = 204,611.20/x
  3. Step 3: Cross multiply
    365,747.20x = 504,777.60 × 204,611.20
  4. Step 4: Simplify right side
    365,747.20x = 103,283,150,469.12
  5. Step 5: Solve for x
    x = 103,283,150,469.12/365,747.20
  6. Step 6: Final answer
    x = 282,389.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.