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Finding the Fourth Proportional to 482,453.05, 665,864.93 and 267,662.32

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Solution

The fourth proportional to 482,453.05, 665,864.93 and 267,662.32 is: 369,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,453.05 : 665,864.93 = 267,662.32 : x
  2. Step 2: Convert to fraction form
    482,453.05/665,864.93 = 267,662.32/x
  3. Step 3: Cross multiply
    482,453.05x = 665,864.93 × 267,662.32
  4. Step 4: Simplify right side
    482,453.05x = 178,226,947,302.80
  5. Step 5: Solve for x
    x = 178,226,947,302.80/482,453.05
  6. Step 6: Final answer
    x = 369,418.22

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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.