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Finding the Fourth Proportional to 351,382.68, 484,908.30 and 190,237.77

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Solution

The fourth proportional to 351,382.68, 484,908.30 and 190,237.77 is: 262,528.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,382.68 : 484,908.30 = 190,237.77 : x
  2. Step 2: Convert to fraction form
    351,382.68/484,908.30 = 190,237.77/x
  3. Step 3: Cross multiply
    351,382.68x = 484,908.30 × 190,237.77
  4. Step 4: Simplify right side
    351,382.68x = 92,247,873,646.49
  5. Step 5: Solve for x
    x = 92,247,873,646.49/351,382.68
  6. Step 6: Final answer
    x = 262,528.23

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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.