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Finding the Fourth Proportional to 968.04, 1,452 and 274.77

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Solution

The fourth proportional to 968.04, 1,452 and 274.77 is: 412.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.04 : 1,452 = 274.77 : x
  2. Step 2: Convert to fraction form
    968.04/1,452 = 274.77/x
  3. Step 3: Cross multiply
    968.04x = 1,452 × 274.77
  4. Step 4: Simplify right side
    968.04x = 398,966.04
  5. Step 5: Solve for x
    x = 398,966.04/968.04
  6. Step 6: Final answer
    x = 412.14

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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.