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Finding the Fourth Proportional to 950.64, 1,425.75 and 365.43

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Solution

The fourth proportional to 950.64, 1,425.75 and 365.43 is: 548.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.64 : 1,425.75 = 365.43 : x
  2. Step 2: Convert to fraction form
    950.64/1,425.75 = 365.43/x
  3. Step 3: Cross multiply
    950.64x = 1,425.75 × 365.43
  4. Step 4: Simplify right side
    950.64x = 521,011.82
  5. Step 5: Solve for x
    x = 521,011.82/950.64
  6. Step 6: Final answer
    x = 548.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.