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Finding the Fourth Proportional to 1,469.94, 2,202.98 and 603.78

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Solution

The fourth proportional to 1,469.94, 2,202.98 and 603.78 is: 904.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.94 : 2,202.98 = 603.78 : x
  2. Step 2: Convert to fraction form
    1,469.94/2,202.98 = 603.78/x
  3. Step 3: Cross multiply
    1,469.94x = 2,202.98 × 603.78
  4. Step 4: Simplify right side
    1,469.94x = 1,330,115.26
  5. Step 5: Solve for x
    x = 1,330,115.26/1,469.94
  6. Step 6: Final answer
    x = 904.88

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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.