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Finding the Fourth Proportional to 228,930.40, 343,467.60 and 110,605.60

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Solution

The fourth proportional to 228,930.40, 343,467.60 and 110,605.60 is: 165,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,930.40 : 343,467.60 = 110,605.60 : x
  2. Step 2: Convert to fraction form
    228,930.40/343,467.60 = 110,605.60/x
  3. Step 3: Cross multiply
    228,930.40x = 343,467.60 × 110,605.60
  4. Step 4: Simplify right side
    228,930.40x = 37,989,439,978.56
  5. Step 5: Solve for x
    x = 37,989,439,978.56/228,930.40
  6. Step 6: Final answer
    x = 165,943.19

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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.