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Finding the Fourth Proportional to 437.33, 603.25 and 260.22

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Solution

The fourth proportional to 437.33, 603.25 and 260.22 is: 358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.33 : 603.25 = 260.22 : x
  2. Step 2: Convert to fraction form
    437.33/603.25 = 260.22/x
  3. Step 3: Cross multiply
    437.33x = 603.25 × 260.22
  4. Step 4: Simplify right side
    437.33x = 156,977.72
  5. Step 5: Solve for x
    x = 156,977.72/437.33
  6. Step 6: Final answer
    x = 358.95

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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.