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Finding the Fourth Proportional to 482,453.93, 665,866.14 and 267,663.19

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Solution

The fourth proportional to 482,453.93, 665,866.14 and 267,663.19 is: 369,419.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,453.93 : 665,866.14 = 267,663.19 : x
  2. Step 2: Convert to fraction form
    482,453.93/665,866.14 = 267,663.19/x
  3. Step 3: Cross multiply
    482,453.93x = 665,866.14 × 267,663.19
  4. Step 4: Simplify right side
    482,453.93x = 178,227,855,145.39
  5. Step 5: Solve for x
    x = 178,227,855,145.39/482,453.93
  6. Step 6: Final answer
    x = 369,419.43

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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.