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Finding the Fourth Proportional to 603.18, 904.37 and 232.81

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Solution

The fourth proportional to 603.18, 904.37 and 232.81 is: 349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.18 : 904.37 = 232.81 : x
  2. Step 2: Convert to fraction form
    603.18/904.37 = 232.81/x
  3. Step 3: Cross multiply
    603.18x = 904.37 × 232.81
  4. Step 4: Simplify right side
    603.18x = 210,542.95
  5. Step 5: Solve for x
    x = 210,542.95/603.18
  6. Step 6: Final answer
    x = 349.05

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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.