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Finding the Fourth Proportional to 482,128.74, 665,202.99 and 379,836.69

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Solution

The fourth proportional to 482,128.74, 665,202.99 and 379,836.69 is: 524,068.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,128.74 : 665,202.99 = 379,836.69 : x
  2. Step 2: Convert to fraction form
    482,128.74/665,202.99 = 379,836.69/x
  3. Step 3: Cross multiply
    482,128.74x = 665,202.99 × 379,836.69
  4. Step 4: Simplify right side
    482,128.74x = 252,668,498,573.69
  5. Step 5: Solve for x
    x = 252,668,498,573.69/482,128.74
  6. Step 6: Final answer
    x = 524,068.53

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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.