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Finding the Fourth Proportional to 228,000.60, 342,000.90 and 196,896.60

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Solution

The fourth proportional to 228,000.60, 342,000.90 and 196,896.60 is: 295,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,000.60 : 342,000.90 = 196,896.60 : x
  2. Step 2: Convert to fraction form
    228,000.60/342,000.90 = 196,896.60/x
  3. Step 3: Cross multiply
    228,000.60x = 342,000.90 × 196,896.60
  4. Step 4: Simplify right side
    228,000.60x = 67,338,814,406.94
  5. Step 5: Solve for x
    x = 67,338,814,406.94/228,000.60
  6. Step 6: Final answer
    x = 295,344.90

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1.5x scale

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.