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Finding the Fourth Proportional to 479,537, 661,761.06 and 267,569

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Solution

The fourth proportional to 479,537, 661,761.06 and 267,569 is: 369,245.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,537 : 661,761.06 = 267,569 : x
  2. Step 2: Convert to fraction form
    479,537/661,761.06 = 267,569/x
  3. Step 3: Cross multiply
    479,537x = 661,761.06 × 267,569
  4. Step 4: Simplify right side
    479,537x = 177,066,745,063.14
  5. Step 5: Solve for x
    x = 177,066,745,063.14/479,537
  6. Step 6: Final answer
    x = 369,245.22

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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.