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Finding the Fourth Proportional to 968.84, 1,453.94 and 603.88

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Solution

The fourth proportional to 968.84, 1,453.94 and 603.88 is: 906.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.84 : 1,453.94 = 603.88 : x
  2. Step 2: Convert to fraction form
    968.84/1,453.94 = 603.88/x
  3. Step 3: Cross multiply
    968.84x = 1,453.94 × 603.88
  4. Step 4: Simplify right side
    968.84x = 878,005.29
  5. Step 5: Solve for x
    x = 878,005.29/968.84
  6. Step 6: Final answer
    x = 906.24

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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.