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Finding the Fourth Proportional to 347,493.50, 479,537.79 and 196,590.50

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Solution

The fourth proportional to 347,493.50, 479,537.79 and 196,590.50 is: 271,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,493.50 : 479,537.79 = 196,590.50 : x
  2. Step 2: Convert to fraction form
    347,493.50/479,537.79 = 196,590.50/x
  3. Step 3: Cross multiply
    347,493.50x = 479,537.79 × 196,590.50
  4. Step 4: Simplify right side
    347,493.50x = 94,272,573,905.00
  5. Step 5: Solve for x
    x = 94,272,573,905.00/347,493.50
  6. Step 6: Final answer
    x = 271,293.06

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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.