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Finding the Fourth Proportional to 626,299.22, 939,480.42 and 177,052.34

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Solution

The fourth proportional to 626,299.22, 939,480.42 and 177,052.34 is: 265,587.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,299.22 : 939,480.42 = 177,052.34 : x
  2. Step 2: Convert to fraction form
    626,299.22/939,480.42 = 177,052.34/x
  3. Step 3: Cross multiply
    626,299.22x = 939,480.42 × 177,052.34
  4. Step 4: Simplify right side
    626,299.22x = 166,337,206,745.18
  5. Step 5: Solve for x
    x = 166,337,206,745.18/626,299.22
  6. Step 6: Final answer
    x = 265,587.44

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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.