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Finding the Fourth Proportional to 550,307.16, 825,375.60 and 226,128.12

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Solution

The fourth proportional to 550,307.16, 825,375.60 and 226,128.12 is: 339,157.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,307.16 : 825,375.60 = 226,128.12 : x
  2. Step 2: Convert to fraction form
    550,307.16/825,375.60 = 226,128.12/x
  3. Step 3: Cross multiply
    550,307.16x = 825,375.60 × 226,128.12
  4. Step 4: Simplify right side
    550,307.16x = 186,640,632,721.87
  5. Step 5: Solve for x
    x = 186,640,632,721.87/550,307.16
  6. Step 6: Final answer
    x = 339,157.19

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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.