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Finding the Fourth Proportional to 352.04, 482.59 and 345.84

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Solution

The fourth proportional to 352.04, 482.59 and 345.84 is: 474.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.04 : 482.59 = 345.84 : x
  2. Step 2: Convert to fraction form
    352.04/482.59 = 345.84/x
  3. Step 3: Cross multiply
    352.04x = 482.59 × 345.84
  4. Step 4: Simplify right side
    352.04x = 166,898.93
  5. Step 5: Solve for x
    x = 166,898.93/352.04
  6. Step 6: Final answer
    x = 474.09

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.