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Finding the Fourth Proportional to 696.94, 1,045.41 and 183.94

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Solution

The fourth proportional to 696.94, 1,045.41 and 183.94 is: 275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.94 : 1,045.41 = 183.94 : x
  2. Step 2: Convert to fraction form
    696.94/1,045.41 = 183.94/x
  3. Step 3: Cross multiply
    696.94x = 1,045.41 × 183.94
  4. Step 4: Simplify right side
    696.94x = 192,289.41
  5. Step 5: Solve for x
    x = 192,289.41/696.94
  6. Step 6: Final answer
    x = 275.91

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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.