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Finding the Fourth Proportional to 341,963.94, 471,895.55 and 188,994.23

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Solution

The fourth proportional to 341,963.94, 471,895.55 and 188,994.23 is: 260,803.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,963.94 : 471,895.55 = 188,994.23 : x
  2. Step 2: Convert to fraction form
    341,963.94/471,895.55 = 188,994.23/x
  3. Step 3: Cross multiply
    341,963.94x = 471,895.55 × 188,994.23
  4. Step 4: Simplify right side
    341,963.94x = 89,185,535,286.56
  5. Step 5: Solve for x
    x = 89,185,535,286.56/341,963.94
  6. Step 6: Final answer
    x = 260,803.91

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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.