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Finding the Fourth Proportional to 351,148.65, 484,584.17 and 190,006.44

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Solution

The fourth proportional to 351,148.65, 484,584.17 and 190,006.44 is: 262,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,148.65 : 484,584.17 = 190,006.44 : x
  2. Step 2: Convert to fraction form
    351,148.65/484,584.17 = 190,006.44/x
  3. Step 3: Cross multiply
    351,148.65x = 484,584.17 × 190,006.44
  4. Step 4: Simplify right side
    351,148.65x = 92,074,112,072.02
  5. Step 5: Solve for x
    x = 92,074,112,072.02/351,148.65
  6. Step 6: Final answer
    x = 262,208.36

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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.