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Finding the Fourth Proportional to 2,453.70, 3,680.46 and 604.80

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Solution

The fourth proportional to 2,453.70, 3,680.46 and 604.80 is: 907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.70 : 3,680.46 = 604.80 : x
  2. Step 2: Convert to fraction form
    2,453.70/3,680.46 = 604.80/x
  3. Step 3: Cross multiply
    2,453.70x = 3,680.46 × 604.80
  4. Step 4: Simplify right side
    2,453.70x = 2,225,942.21
  5. Step 5: Solve for x
    x = 2,225,942.21/2,453.70
  6. Step 6: Final answer
    x = 907.18

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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.