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Finding the Fourth Proportional to 351,191.17, 484,643.81 and 190,046.22

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Solution

The fourth proportional to 351,191.17, 484,643.81 and 190,046.22 is: 262,263.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,191.17 : 484,643.81 = 190,046.22 : x
  2. Step 2: Convert to fraction form
    351,191.17/484,643.81 = 190,046.22/x
  3. Step 3: Cross multiply
    351,191.17x = 484,643.81 × 190,046.22
  4. Step 4: Simplify right side
    351,191.17x = 92,104,722,005.56
  5. Step 5: Solve for x
    x = 92,104,722,005.56/351,191.17
  6. Step 6: Final answer
    x = 262,263.78

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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.