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Finding the Fourth Proportional to 347,885.50, 480,081.99 and 196,982.50

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Solution

The fourth proportional to 347,885.50, 480,081.99 and 196,982.50 is: 271,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,885.50 : 480,081.99 = 196,982.50 : x
  2. Step 2: Convert to fraction form
    347,885.50/480,081.99 = 196,982.50/x
  3. Step 3: Cross multiply
    347,885.50x = 480,081.99 × 196,982.50
  4. Step 4: Simplify right side
    347,885.50x = 94,567,750,595.18
  5. Step 5: Solve for x
    x = 94,567,750,595.18/347,885.50
  6. Step 6: Final answer
    x = 271,835.85

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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.