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Finding the Fourth Proportional to 606.36, 905.18 and 582.06

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Solution

The fourth proportional to 606.36, 905.18 and 582.06 is: 868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.36 : 905.18 = 582.06 : x
  2. Step 2: Convert to fraction form
    606.36/905.18 = 582.06/x
  3. Step 3: Cross multiply
    606.36x = 905.18 × 582.06
  4. Step 4: Simplify right side
    606.36x = 526,866.16
  5. Step 5: Solve for x
    x = 526,866.16/606.36
  6. Step 6: Final answer
    x = 868.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.