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Finding the Fourth Proportional to 367,039.20, 550,904.40 and 227,071.20

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Solution

The fourth proportional to 367,039.20, 550,904.40 and 227,071.20 is: 340,820.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,039.20 : 550,904.40 = 227,071.20 : x
  2. Step 2: Convert to fraction form
    367,039.20/550,904.40 = 227,071.20/x
  3. Step 3: Cross multiply
    367,039.20x = 550,904.40 × 227,071.20
  4. Step 4: Simplify right side
    367,039.20x = 125,094,523,193.28
  5. Step 5: Solve for x
    x = 125,094,523,193.28/367,039.20
  6. Step 6: Final answer
    x = 340,820.61

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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.