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Finding the Fourth Proportional to 940.52, 1,410.24 and 556.04

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Solution

The fourth proportional to 940.52, 1,410.24 and 556.04 is: 833.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    940.52 : 1,410.24 = 556.04 : x
  2. Step 2: Convert to fraction form
    940.52/1,410.24 = 556.04/x
  3. Step 3: Cross multiply
    940.52x = 1,410.24 × 556.04
  4. Step 4: Simplify right side
    940.52x = 784,149.85
  5. Step 5: Solve for x
    x = 784,149.85/940.52
  6. Step 6: Final answer
    x = 833.74

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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.