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Finding the Fourth Proportional to 509,494.46, 764,241.68 and 228,683.66

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Solution

The fourth proportional to 509,494.46, 764,241.68 and 228,683.66 is: 343,025.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,494.46 : 764,241.68 = 228,683.66 : x
  2. Step 2: Convert to fraction form
    509,494.46/764,241.68 = 228,683.66/x
  3. Step 3: Cross multiply
    509,494.46x = 764,241.68 × 228,683.66
  4. Step 4: Simplify right side
    509,494.46x = 174,769,581,257.45
  5. Step 5: Solve for x
    x = 174,769,581,257.45/509,494.46
  6. Step 6: Final answer
    x = 343,025.48

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Similar ratio
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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.