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Finding the Fourth Proportional to 334,906.80, 502,360.20 and 228,618.60

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Solution

The fourth proportional to 334,906.80, 502,360.20 and 228,618.60 is: 342,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,906.80 : 502,360.20 = 228,618.60 : x
  2. Step 2: Convert to fraction form
    334,906.80/502,360.20 = 228,618.60/x
  3. Step 3: Cross multiply
    334,906.80x = 502,360.20 × 228,618.60
  4. Step 4: Simplify right side
    334,906.80x = 114,848,885,619.72
  5. Step 5: Solve for x
    x = 114,848,885,619.72/334,906.80
  6. Step 6: Final answer
    x = 342,927.90

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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.