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Finding the Fourth Proportional to 482,453.80, 665,865.96 and 267,663.07

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Solution

The fourth proportional to 482,453.80, 665,865.96 and 267,663.07 is: 369,419.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,453.80 : 665,865.96 = 267,663.07 : x
  2. Step 2: Convert to fraction form
    482,453.80/665,865.96 = 267,663.07/x
  3. Step 3: Cross multiply
    482,453.80x = 665,865.96 × 267,663.07
  4. Step 4: Simplify right side
    482,453.80x = 178,227,723,732.77
  5. Step 5: Solve for x
    x = 178,227,723,732.77/482,453.80
  6. Step 6: Final answer
    x = 369,419.26

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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.