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Finding the Fourth Proportional to 248,903.20, 373,354.80 and 227,251.90

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Solution

The fourth proportional to 248,903.20, 373,354.80 and 227,251.90 is: 340,877.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,903.20 : 373,354.80 = 227,251.90 : x
  2. Step 2: Convert to fraction form
    248,903.20/373,354.80 = 227,251.90/x
  3. Step 3: Cross multiply
    248,903.20x = 373,354.80 × 227,251.90
  4. Step 4: Simplify right side
    248,903.20x = 84,845,587,674.12
  5. Step 5: Solve for x
    x = 84,845,587,674.12/248,903.20
  6. Step 6: Final answer
    x = 340,877.85

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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.