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Finding the Fourth Proportional to 351,314.42, 484,815.36 and 190,169.39

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Solution

The fourth proportional to 351,314.42, 484,815.36 and 190,169.39 is: 262,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,314.42 : 484,815.36 = 190,169.39 : x
  2. Step 2: Convert to fraction form
    351,314.42/484,815.36 = 190,169.39/x
  3. Step 3: Cross multiply
    351,314.42x = 484,815.36 × 190,169.39
  4. Step 4: Simplify right side
    351,314.42x = 92,197,041,273.83
  5. Step 5: Solve for x
    x = 92,197,041,273.83/351,314.42
  6. Step 6: Final answer
    x = 262,434.55

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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.