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Finding the Fourth Proportional to 293,486.70, 440,558.10 and 227,220.60

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Solution

The fourth proportional to 293,486.70, 440,558.10 and 227,220.60 is: 341,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,486.70 : 440,558.10 = 227,220.60 : x
  2. Step 2: Convert to fraction form
    293,486.70/440,558.10 = 227,220.60/x
  3. Step 3: Cross multiply
    293,486.70x = 440,558.10 × 227,220.60
  4. Step 4: Simplify right side
    293,486.70x = 100,103,875,816.86
  5. Step 5: Solve for x
    x = 100,103,875,816.86/293,486.70
  6. Step 6: Final answer
    x = 341,084.88

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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.