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Finding the Fourth Proportional to 492,080.70, 738,121.05 and 373,107.90

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Solution

The fourth proportional to 492,080.70, 738,121.05 and 373,107.90 is: 559,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,080.70 : 738,121.05 = 373,107.90 : x
  2. Step 2: Convert to fraction form
    492,080.70/738,121.05 = 373,107.90/x
  3. Step 3: Cross multiply
    492,080.70x = 738,121.05 × 373,107.90
  4. Step 4: Simplify right side
    492,080.70x = 275,398,794,911.30
  5. Step 5: Solve for x
    x = 275,398,794,911.30/492,080.70
  6. Step 6: Final answer
    x = 559,661.85

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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.