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Finding the Fourth Proportional to 270,588.89, 373,107.08 and 202,387.30

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Solution

The fourth proportional to 270,588.89, 373,107.08 and 202,387.30 is: 279,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,588.89 : 373,107.08 = 202,387.30 : x
  2. Step 2: Convert to fraction form
    270,588.89/373,107.08 = 202,387.30/x
  3. Step 3: Cross multiply
    270,588.89x = 373,107.08 × 202,387.30
  4. Step 4: Simplify right side
    270,588.89x = 75,512,134,105.28
  5. Step 5: Solve for x
    x = 75,512,134,105.28/270,588.89
  6. Step 6: Final answer
    x = 279,065.90

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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.