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Finding the Fourth Proportional to 341,963.57, 471,895.04 and 188,993.85

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Solution

The fourth proportional to 341,963.57, 471,895.04 and 188,993.85 is: 260,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,963.57 : 471,895.04 = 188,993.85 : x
  2. Step 2: Convert to fraction form
    341,963.57/471,895.04 = 188,993.85/x
  3. Step 3: Cross multiply
    341,963.57x = 471,895.04 × 188,993.85
  4. Step 4: Simplify right side
    341,963.57x = 89,185,259,460.53
  5. Step 5: Solve for x
    x = 89,185,259,460.53/341,963.57
  6. Step 6: Final answer
    x = 260,803.40

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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.