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Finding the Fourth Proportional to 936,878.44, 1,405,321 and 226,906.96

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Solution

The fourth proportional to 936,878.44, 1,405,321 and 226,906.96 is: 340,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,878.44 : 1,405,321 = 226,906.96 : x
  2. Step 2: Convert to fraction form
    936,878.44/1,405,321 = 226,906.96/x
  3. Step 3: Cross multiply
    936,878.44x = 1,405,321 × 226,906.96
  4. Step 4: Simplify right side
    936,878.44x = 318,877,115,934.16
  5. Step 5: Solve for x
    x = 318,877,115,934.16/936,878.44
  6. Step 6: Final answer
    x = 340,361.25

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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.