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Finding the Fourth Proportional to 347,353.50, 479,347.83 and 196,447.26

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Solution

The fourth proportional to 347,353.50, 479,347.83 and 196,447.26 is: 271,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,353.50 : 479,347.83 = 196,447.26 : x
  2. Step 2: Convert to fraction form
    347,353.50/479,347.83 = 196,447.26/x
  3. Step 3: Cross multiply
    347,353.50x = 479,347.83 × 196,447.26
  4. Step 4: Simplify right side
    347,353.50x = 94,166,567,790.45
  5. Step 5: Solve for x
    x = 94,166,567,790.45/347,353.50
  6. Step 6: Final answer
    x = 271,097.22

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1.5x scale

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.