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Finding the Fourth Proportional to 351,148.90, 484,584.51 and 190,006.69

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Solution

The fourth proportional to 351,148.90, 484,584.51 and 190,006.69 is: 262,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,148.90 : 484,584.51 = 190,006.69 : x
  2. Step 2: Convert to fraction form
    351,148.90/484,584.51 = 190,006.69/x
  3. Step 3: Cross multiply
    351,148.90x = 484,584.51 × 190,006.69
  4. Step 4: Simplify right side
    351,148.90x = 92,074,298,770.37
  5. Step 5: Solve for x
    x = 92,074,298,770.37/351,148.90
  6. Step 6: Final answer
    x = 262,208.71

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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.