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Finding the Fourth Proportional to 361,353.50, 541,861.98 and 161,675.54

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Solution

The fourth proportional to 361,353.50, 541,861.98 and 161,675.54 is: 242,438.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,353.50 : 541,861.98 = 161,675.54 : x
  2. Step 2: Convert to fraction form
    361,353.50/541,861.98 = 161,675.54/x
  3. Step 3: Cross multiply
    361,353.50x = 541,861.98 × 161,675.54
  4. Step 4: Simplify right side
    361,353.50x = 87,605,830,441.04
  5. Step 5: Solve for x
    x = 87,605,830,441.04/361,353.50
  6. Step 6: Final answer
    x = 242,438.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.