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Finding the Fourth Proportional to 347,692.59, 479,776.09 and 194,709.51

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Solution

The fourth proportional to 347,692.59, 479,776.09 and 194,709.51 is: 268,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,692.59 : 479,776.09 = 194,709.51 : x
  2. Step 2: Convert to fraction form
    347,692.59/479,776.09 = 194,709.51/x
  3. Step 3: Cross multiply
    347,692.59x = 479,776.09 × 194,709.51
  4. Step 4: Simplify right side
    347,692.59x = 93,416,967,393.62
  5. Step 5: Solve for x
    x = 93,416,967,393.62/347,692.59
  6. Step 6: Final answer
    x = 268,676.90

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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.