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Finding the Fourth Proportional to 247,497.30, 370,808.55 and 231,750.90

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Solution

The fourth proportional to 247,497.30, 370,808.55 and 231,750.90 is: 347,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,497.30 : 370,808.55 = 231,750.90 : x
  2. Step 2: Convert to fraction form
    247,497.30/370,808.55 = 231,750.90/x
  3. Step 3: Cross multiply
    247,497.30x = 370,808.55 × 231,750.90
  4. Step 4: Simplify right side
    247,497.30x = 85,935,215,190.20
  5. Step 5: Solve for x
    x = 85,935,215,190.20/247,497.30
  6. Step 6: Final answer
    x = 347,216.78

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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.