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Finding the Fourth Proportional to 482,611.46, 664,725.31 and 359,709.98

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Solution

The fourth proportional to 482,611.46, 664,725.31 and 359,709.98 is: 495,446.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,611.46 : 664,725.31 = 359,709.98 : x
  2. Step 2: Convert to fraction form
    482,611.46/664,725.31 = 359,709.98/x
  3. Step 3: Cross multiply
    482,611.46x = 664,725.31 × 359,709.98
  4. Step 4: Simplify right side
    482,611.46x = 239,108,323,742.69
  5. Step 5: Solve for x
    x = 239,108,323,742.69/482,611.46
  6. Step 6: Final answer
    x = 495,446.85

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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.