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Finding the Fourth Proportional to 361,950.60, 542,990.70 and 151,609.80

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Solution

The fourth proportional to 361,950.60, 542,990.70 and 151,609.80 is: 227,441.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,950.60 : 542,990.70 = 151,609.80 : x
  2. Step 2: Convert to fraction form
    361,950.60/542,990.70 = 151,609.80/x
  3. Step 3: Cross multiply
    361,950.60x = 542,990.70 × 151,609.80
  4. Step 4: Simplify right side
    361,950.60x = 82,322,711,428.86
  5. Step 5: Solve for x
    x = 82,322,711,428.86/361,950.60
  6. Step 6: Final answer
    x = 227,441.84

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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.