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Finding the Fourth Proportional to 341,984.76, 471,937.98 and 191,081.88

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Solution

The fourth proportional to 341,984.76, 471,937.98 and 191,081.88 is: 263,692.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,984.76 : 471,937.98 = 191,081.88 : x
  2. Step 2: Convert to fraction form
    341,984.76/471,937.98 = 191,081.88/x
  3. Step 3: Cross multiply
    341,984.76x = 471,937.98 × 191,081.88
  4. Step 4: Simplify right side
    341,984.76x = 90,178,796,461.80
  5. Step 5: Solve for x
    x = 90,178,796,461.80/341,984.76
  6. Step 6: Final answer
    x = 263,692.44

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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.