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Finding the Fourth Proportional to 373,412.70, 559,450.80 and 227,086.20

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Solution

The fourth proportional to 373,412.70, 559,450.80 and 227,086.20 is: 340,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,412.70 : 559,450.80 = 227,086.20 : x
  2. Step 2: Convert to fraction form
    373,412.70/559,450.80 = 227,086.20/x
  3. Step 3: Cross multiply
    373,412.70x = 559,450.80 × 227,086.20
  4. Step 4: Simplify right side
    373,412.70x = 127,043,556,258.96
  5. Step 5: Solve for x
    x = 127,043,556,258.96/373,412.70
  6. Step 6: Final answer
    x = 340,222.91

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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.