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Finding the Fourth Proportional to 968.24, 1,452.61 and 556.64

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Solution

The fourth proportional to 968.24, 1,452.61 and 556.64 is: 835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.24 : 1,452.61 = 556.64 : x
  2. Step 2: Convert to fraction form
    968.24/1,452.61 = 556.64/x
  3. Step 3: Cross multiply
    968.24x = 1,452.61 × 556.64
  4. Step 4: Simplify right side
    968.24x = 808,573.57
  5. Step 5: Solve for x
    x = 808,573.57/968.24
  6. Step 6: Final answer
    x = 835.10

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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.