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Finding the Fourth Proportional to 609,896.96, 914,801.60 and 189,161.92

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Solution

The fourth proportional to 609,896.96, 914,801.60 and 189,161.92 is: 283,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,896.96 : 914,801.60 = 189,161.92 : x
  2. Step 2: Convert to fraction form
    609,896.96/914,801.60 = 189,161.92/x
  3. Step 3: Cross multiply
    609,896.96x = 914,801.60 × 189,161.92
  4. Step 4: Simplify right side
    609,896.96x = 173,045,627,075.07
  5. Step 5: Solve for x
    x = 173,045,627,075.07/609,896.96
  6. Step 6: Final answer
    x = 283,729.28

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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.