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Finding the Fourth Proportional to 341,919.20, 471,857.92 and 188,967.30

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Solution

The fourth proportional to 341,919.20, 471,857.92 and 188,967.30 is: 260,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,919.20 : 471,857.92 = 188,967.30 : x
  2. Step 2: Convert to fraction form
    341,919.20/471,857.92 = 188,967.30/x
  3. Step 3: Cross multiply
    341,919.20x = 471,857.92 × 188,967.30
  4. Step 4: Simplify right side
    341,919.20x = 89,165,716,653.60
  5. Step 5: Solve for x
    x = 89,165,716,653.60/341,919.20
  6. Step 6: Final answer
    x = 260,780.08

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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.