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Finding the Fourth Proportional to 479,896.32, 718,334.76 and 329,255.76

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Solution

The fourth proportional to 479,896.32, 718,334.76 and 329,255.76 is: 492,847.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,896.32 : 718,334.76 = 329,255.76 : x
  2. Step 2: Convert to fraction form
    479,896.32/718,334.76 = 329,255.76/x
  3. Step 3: Cross multiply
    479,896.32x = 718,334.76 × 329,255.76
  4. Step 4: Simplify right side
    479,896.32x = 236,515,857,338.22
  5. Step 5: Solve for x
    x = 236,515,857,338.22/479,896.32
  6. Step 6: Final answer
    x = 492,847.82

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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.