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Finding the Fourth Proportional to 351,212.66, 484,674.33 and 190,068.88

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Solution

The fourth proportional to 351,212.66, 484,674.33 and 190,068.88 is: 262,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,212.66 : 484,674.33 = 190,068.88 : x
  2. Step 2: Convert to fraction form
    351,212.66/484,674.33 = 190,068.88/x
  3. Step 3: Cross multiply
    351,212.66x = 484,674.33 × 190,068.88
  4. Step 4: Simplify right side
    351,212.66x = 92,121,507,067.85
  5. Step 5: Solve for x
    x = 92,121,507,067.85/351,212.66
  6. Step 6: Final answer
    x = 262,295.52

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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.