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Finding the Fourth Proportional to 341,990.32, 471,932.04 and 189,020.68

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Solution

The fourth proportional to 341,990.32, 471,932.04 and 189,020.68 is: 260,840.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,990.32 : 471,932.04 = 189,020.68 : x
  2. Step 2: Convert to fraction form
    341,990.32/471,932.04 = 189,020.68/x
  3. Step 3: Cross multiply
    341,990.32x = 471,932.04 × 189,020.68
  4. Step 4: Simplify right side
    341,990.32x = 89,204,915,114.59
  5. Step 5: Solve for x
    x = 89,204,915,114.59/341,990.32
  6. Step 6: Final answer
    x = 260,840.47

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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.