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Finding the Fourth Proportional to 1,696.91, 2,545.28 and 464.23

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Solution

The fourth proportional to 1,696.91, 2,545.28 and 464.23 is: 696.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.91 : 2,545.28 = 464.23 : x
  2. Step 2: Convert to fraction form
    1,696.91/2,545.28 = 464.23/x
  3. Step 3: Cross multiply
    1,696.91x = 2,545.28 × 464.23
  4. Step 4: Simplify right side
    1,696.91x = 1,181,605.58
  5. Step 5: Solve for x
    x = 1,181,605.58/1,696.91
  6. Step 6: Final answer
    x = 696.33

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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.