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Finding the Fourth Proportional to 267,683.45, 400,989.83 and 161,008.50

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Solution

The fourth proportional to 267,683.45, 400,989.83 and 161,008.50 is: 241,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,683.45 : 400,989.83 = 161,008.50 : x
  2. Step 2: Convert to fraction form
    267,683.45/400,989.83 = 161,008.50/x
  3. Step 3: Cross multiply
    267,683.45x = 400,989.83 × 161,008.50
  4. Step 4: Simplify right side
    267,683.45x = 64,562,771,742.22
  5. Step 5: Solve for x
    x = 64,562,771,742.22/267,683.45
  6. Step 6: Final answer
    x = 241,190.75

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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.