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Finding the Fourth Proportional to 471,356.10, 650,486.10 and 267,415.62

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Solution

The fourth proportional to 471,356.10, 650,486.10 and 267,415.62 is: 369,041.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,356.10 : 650,486.10 = 267,415.62 : x
  2. Step 2: Convert to fraction form
    471,356.10/650,486.10 = 267,415.62/x
  3. Step 3: Cross multiply
    471,356.10x = 650,486.10 × 267,415.62
  4. Step 4: Simplify right side
    471,356.10x = 173,950,143,732.88
  5. Step 5: Solve for x
    x = 173,950,143,732.88/471,356.10
  6. Step 6: Final answer
    x = 369,041.89

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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.