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Finding the Fourth Proportional to 533,120.54, 799,722.11 and 178,135.81

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Solution

The fourth proportional to 533,120.54, 799,722.11 and 178,135.81 is: 267,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,120.54 : 799,722.11 = 178,135.81 : x
  2. Step 2: Convert to fraction form
    533,120.54/799,722.11 = 178,135.81/x
  3. Step 3: Cross multiply
    533,120.54x = 799,722.11 × 178,135.81
  4. Step 4: Simplify right side
    533,120.54x = 142,459,144,285.79
  5. Step 5: Solve for x
    x = 142,459,144,285.79/533,120.54
  6. Step 6: Final answer
    x = 267,217.51

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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.