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Finding the Fourth Proportional to 373,005.97, 514,748.31 and 203,240.09

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Solution

The fourth proportional to 373,005.97, 514,748.31 and 203,240.09 is: 280,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,005.97 : 514,748.31 = 203,240.09 : x
  2. Step 2: Convert to fraction form
    373,005.97/514,748.31 = 203,240.09/x
  3. Step 3: Cross multiply
    373,005.97x = 514,748.31 × 203,240.09
  4. Step 4: Simplify right side
    373,005.97x = 104,617,492,851.75
  5. Step 5: Solve for x
    x = 104,617,492,851.75/373,005.97
  6. Step 6: Final answer
    x = 280,471.36

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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.