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Finding the Fourth Proportional to 401,050.70, 601,576.05 and 134,819.90

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Solution

The fourth proportional to 401,050.70, 601,576.05 and 134,819.90 is: 202,229.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,050.70 : 601,576.05 = 134,819.90 : x
  2. Step 2: Convert to fraction form
    401,050.70/601,576.05 = 134,819.90/x
  3. Step 3: Cross multiply
    401,050.70x = 601,576.05 × 134,819.90
  4. Step 4: Simplify right side
    401,050.70x = 81,104,422,903.40
  5. Step 5: Solve for x
    x = 81,104,422,903.40/401,050.70
  6. Step 6: Final answer
    x = 202,229.85

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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.