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Finding the Fourth Proportional to 603.33, 904.19 and 274.07

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Solution

The fourth proportional to 603.33, 904.19 and 274.07 is: 410.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.33 : 904.19 = 274.07 : x
  2. Step 2: Convert to fraction form
    603.33/904.19 = 274.07/x
  3. Step 3: Cross multiply
    603.33x = 904.19 × 274.07
  4. Step 4: Simplify right side
    603.33x = 247,805.46
  5. Step 5: Solve for x
    x = 247,805.46/603.33
  6. Step 6: Final answer
    x = 410.73

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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.