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Finding the Fourth Proportional to 351,385.68, 484,912.44 and 190,240.77

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Solution

The fourth proportional to 351,385.68, 484,912.44 and 190,240.77 is: 262,532.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,385.68 : 484,912.44 = 190,240.77 : x
  2. Step 2: Convert to fraction form
    351,385.68/484,912.44 = 190,240.77/x
  3. Step 3: Cross multiply
    351,385.68x = 484,912.44 × 190,240.77
  4. Step 4: Simplify right side
    351,385.68x = 92,250,115,968.18
  5. Step 5: Solve for x
    x = 92,250,115,968.18/351,385.68
  6. Step 6: Final answer
    x = 262,532.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.