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Finding the Fourth Proportional to 482,272.48, 665,503.58 and 267,404.59

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Solution

The fourth proportional to 482,272.48, 665,503.58 and 267,404.59 is: 369,000.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,272.48 : 665,503.58 = 267,404.59 : x
  2. Step 2: Convert to fraction form
    482,272.48/665,503.58 = 267,404.59/x
  3. Step 3: Cross multiply
    482,272.48x = 665,503.58 × 267,404.59
  4. Step 4: Simplify right side
    482,272.48x = 177,958,707,288.89
  5. Step 5: Solve for x
    x = 177,958,707,288.89/482,272.48
  6. Step 6: Final answer
    x = 369,000.34

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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.