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Finding the Fourth Proportional to 344,682.40, 517,072.20 and 108,000.40

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Solution

The fourth proportional to 344,682.40, 517,072.20 and 108,000.40 is: 162,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,682.40 : 517,072.20 = 108,000.40 : x
  2. Step 2: Convert to fraction form
    344,682.40/517,072.20 = 108,000.40/x
  3. Step 3: Cross multiply
    344,682.40x = 517,072.20 × 108,000.40
  4. Step 4: Simplify right side
    344,682.40x = 55,844,004,428.88
  5. Step 5: Solve for x
    x = 55,844,004,428.88/344,682.40
  6. Step 6: Final answer
    x = 162,015.83

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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.