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Finding the Fourth Proportional to 968.77, 1,454.16 and 482.18

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Solution

The fourth proportional to 968.77, 1,454.16 and 482.18 is: 723.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.77 : 1,454.16 = 482.18 : x
  2. Step 2: Convert to fraction form
    968.77/1,454.16 = 482.18/x
  3. Step 3: Cross multiply
    968.77x = 1,454.16 × 482.18
  4. Step 4: Simplify right side
    968.77x = 701,166.87
  5. Step 5: Solve for x
    x = 701,166.87/968.77
  6. Step 6: Final answer
    x = 723.77

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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.