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Finding the Fourth Proportional to 228,340.20, 341,854.20 and 204,720.60

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Solution

The fourth proportional to 228,340.20, 341,854.20 and 204,720.60 is: 306,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,340.20 : 341,854.20 = 204,720.60 : x
  2. Step 2: Convert to fraction form
    228,340.20/341,854.20 = 204,720.60/x
  3. Step 3: Cross multiply
    228,340.20x = 341,854.20 × 204,720.60
  4. Step 4: Simplify right side
    228,340.20x = 69,984,596,936.52
  5. Step 5: Solve for x
    x = 69,984,596,936.52/228,340.20
  6. Step 6: Final answer
    x = 306,492.67

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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.