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Finding the Fourth Proportional to 1,522.94, 2,284.60 and 482.66

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Solution

The fourth proportional to 1,522.94, 2,284.60 and 482.66 is: 724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.94 : 2,284.60 = 482.66 : x
  2. Step 2: Convert to fraction form
    1,522.94/2,284.60 = 482.66/x
  3. Step 3: Cross multiply
    1,522.94x = 2,284.60 × 482.66
  4. Step 4: Simplify right side
    1,522.94x = 1,102,685.04
  5. Step 5: Solve for x
    x = 1,102,685.04/1,522.94
  6. Step 6: Final answer
    x = 724.05

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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.