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Finding the Fourth Proportional to 603.32, 904.61 and 251.82

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Solution

The fourth proportional to 603.32, 904.61 and 251.82 is: 377.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.32 : 904.61 = 251.82 : x
  2. Step 2: Convert to fraction form
    603.32/904.61 = 251.82/x
  3. Step 3: Cross multiply
    603.32x = 904.61 × 251.82
  4. Step 4: Simplify right side
    603.32x = 227,797.63
  5. Step 5: Solve for x
    x = 227,797.63/603.32
  6. Step 6: Final answer
    x = 377.58

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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.