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Finding the Fourth Proportional to 364,642.74, 503,232.21 and 203,529.24

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Solution

The fourth proportional to 364,642.74, 503,232.21 and 203,529.24 is: 280,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,642.74 : 503,232.21 = 203,529.24 : x
  2. Step 2: Convert to fraction form
    364,642.74/503,232.21 = 203,529.24/x
  3. Step 3: Cross multiply
    364,642.74x = 503,232.21 × 203,529.24
  4. Step 4: Simplify right side
    364,642.74x = 102,422,469,244.82
  5. Step 5: Solve for x
    x = 102,422,469,244.82/364,642.74
  6. Step 6: Final answer
    x = 280,884.43

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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.