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Finding the Fourth Proportional to 603.53, 832.76 and 417.33

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Solution

The fourth proportional to 603.53, 832.76 and 417.33 is: 575.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.53 : 832.76 = 417.33 : x
  2. Step 2: Convert to fraction form
    603.53/832.76 = 417.33/x
  3. Step 3: Cross multiply
    603.53x = 832.76 × 417.33
  4. Step 4: Simplify right side
    603.53x = 347,535.73
  5. Step 5: Solve for x
    x = 347,535.73/603.53
  6. Step 6: Final answer
    x = 575.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.