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Finding the Fourth Proportional to 354,373.11, 531,183.69 and 174,204.45

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Solution

The fourth proportional to 354,373.11, 531,183.69 and 174,204.45 is: 261,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,373.11 : 531,183.69 = 174,204.45 : x
  2. Step 2: Convert to fraction form
    354,373.11/531,183.69 = 174,204.45/x
  3. Step 3: Cross multiply
    354,373.11x = 531,183.69 × 174,204.45
  4. Step 4: Simplify right side
    354,373.11x = 92,534,562,565.42
  5. Step 5: Solve for x
    x = 92,534,562,565.42/354,373.11
  6. Step 6: Final answer
    x = 261,121.85

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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.