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Finding the Fourth Proportional to 274,372.72, 411,026.48 and 202,194.66

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Solution

The fourth proportional to 274,372.72, 411,026.48 and 202,194.66 is: 302,899.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,372.72 : 411,026.48 = 202,194.66 : x
  2. Step 2: Convert to fraction form
    274,372.72/411,026.48 = 202,194.66/x
  3. Step 3: Cross multiply
    274,372.72x = 411,026.48 × 202,194.66
  4. Step 4: Simplify right side
    274,372.72x = 83,107,359,374.60
  5. Step 5: Solve for x
    x = 83,107,359,374.60/274,372.72
  6. Step 6: Final answer
    x = 302,899.50

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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.