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Finding the Fourth Proportional to 341,976, 471,927.06 and 191,073

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Solution

The fourth proportional to 341,976, 471,927.06 and 191,073 is: 263,680.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,976 : 471,927.06 = 191,073 : x
  2. Step 2: Convert to fraction form
    341,976/471,927.06 = 191,073/x
  3. Step 3: Cross multiply
    341,976x = 471,927.06 × 191,073
  4. Step 4: Simplify right side
    341,976x = 90,172,519,135.38
  5. Step 5: Solve for x
    x = 90,172,519,135.38/341,976
  6. Step 6: Final answer
    x = 263,680.84

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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.