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Finding the Fourth Proportional to 267,577.62, 400,579.10 and 178,610.46

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Solution

The fourth proportional to 267,577.62, 400,579.10 and 178,610.46 is: 267,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,577.62 : 400,579.10 = 178,610.46 : x
  2. Step 2: Convert to fraction form
    267,577.62/400,579.10 = 178,610.46/x
  3. Step 3: Cross multiply
    267,577.62x = 400,579.10 × 178,610.46
  4. Step 4: Simplify right side
    267,577.62x = 71,547,616,424.33
  5. Step 5: Solve for x
    x = 71,547,616,424.33/267,577.62
  6. Step 6: Final answer
    x = 267,390.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.