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Finding the Fourth Proportional to 941.41, 1,410.57 and 667.01

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Solution

The fourth proportional to 941.41, 1,410.57 and 667.01 is: 999.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.41 : 1,410.57 = 667.01 : x
  2. Step 2: Convert to fraction form
    941.41/1,410.57 = 667.01/x
  3. Step 3: Cross multiply
    941.41x = 1,410.57 × 667.01
  4. Step 4: Simplify right side
    941.41x = 940,864.30
  5. Step 5: Solve for x
    x = 940,864.30/941.41
  6. Step 6: Final answer
    x = 999.42

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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.