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Finding the Fourth Proportional to 968.16, 1,449.78 and 601.84

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Solution

The fourth proportional to 968.16, 1,449.78 and 601.84 is: 901.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.16 : 1,449.78 = 601.84 : x
  2. Step 2: Convert to fraction form
    968.16/1,449.78 = 601.84/x
  3. Step 3: Cross multiply
    968.16x = 1,449.78 × 601.84
  4. Step 4: Simplify right side
    968.16x = 872,535.60
  5. Step 5: Solve for x
    x = 872,535.60/968.16
  6. Step 6: Final answer
    x = 901.23

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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.