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Finding the Fourth Proportional to 373,167.38, 514,968.36 and 203,402.72

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Solution

The fourth proportional to 373,167.38, 514,968.36 and 203,402.72 is: 280,694.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,167.38 : 514,968.36 = 203,402.72 : x
  2. Step 2: Convert to fraction form
    373,167.38/514,968.36 = 203,402.72/x
  3. Step 3: Cross multiply
    373,167.38x = 514,968.36 × 203,402.72
  4. Step 4: Simplify right side
    373,167.38x = 104,745,965,137.94
  5. Step 5: Solve for x
    x = 104,745,965,137.94/373,167.38
  6. Step 6: Final answer
    x = 280,694.32

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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.