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Finding the Fourth Proportional to 427.93, 590.27 and 262.08

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Solution

The fourth proportional to 427.93, 590.27 and 262.08 is: 361.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    427.93 : 590.27 = 262.08 : x
  2. Step 2: Convert to fraction form
    427.93/590.27 = 262.08/x
  3. Step 3: Cross multiply
    427.93x = 590.27 × 262.08
  4. Step 4: Simplify right side
    427.93x = 154,698.13
  5. Step 5: Solve for x
    x = 154,698.13/427.93
  6. Step 6: Final answer
    x = 361.50

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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.