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Finding the Fourth Proportional to 482,529.24, 665,672.04 and 301,286.52

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Solution

The fourth proportional to 482,529.24, 665,672.04 and 301,286.52 is: 415,639.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,529.24 : 665,672.04 = 301,286.52 : x
  2. Step 2: Convert to fraction form
    482,529.24/665,672.04 = 301,286.52/x
  3. Step 3: Cross multiply
    482,529.24x = 665,672.04 × 301,286.52
  4. Step 4: Simplify right side
    482,529.24x = 200,558,012,392.90
  5. Step 5: Solve for x
    x = 200,558,012,392.90/482,529.24
  6. Step 6: Final answer
    x = 415,639.09

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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.