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Finding the Fourth Proportional to 1,696.99, 2,545.49 and 464.42

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Solution

The fourth proportional to 1,696.99, 2,545.49 and 464.42 is: 696.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.99 : 2,545.49 = 464.42 : x
  2. Step 2: Convert to fraction form
    1,696.99/2,545.49 = 464.42/x
  3. Step 3: Cross multiply
    1,696.99x = 2,545.49 × 464.42
  4. Step 4: Simplify right side
    1,696.99x = 1,182,164.90
  5. Step 5: Solve for x
    x = 1,182,164.90/1,696.99
  6. Step 6: Final answer
    x = 696.62

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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.