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Finding the Fourth Proportional to 228,949.60, 343,424.40 and 60,469.60

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Solution

The fourth proportional to 228,949.60, 343,424.40 and 60,469.60 is: 90,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,949.60 : 343,424.40 = 60,469.60 : x
  2. Step 2: Convert to fraction form
    228,949.60/343,424.40 = 60,469.60/x
  3. Step 3: Cross multiply
    228,949.60x = 343,424.40 × 60,469.60
  4. Step 4: Simplify right side
    228,949.60x = 20,766,736,098.24
  5. Step 5: Solve for x
    x = 20,766,736,098.24/228,949.60
  6. Step 6: Final answer
    x = 90,704.40

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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.