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Finding the Fourth Proportional to 1,696.68, 2,545.19 and 585.95

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Solution

The fourth proportional to 1,696.68, 2,545.19 and 585.95 is: 878.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.68 : 2,545.19 = 585.95 : x
  2. Step 2: Convert to fraction form
    1,696.68/2,545.19 = 585.95/x
  3. Step 3: Cross multiply
    1,696.68x = 2,545.19 × 585.95
  4. Step 4: Simplify right side
    1,696.68x = 1,491,340.62
  5. Step 5: Solve for x
    x = 1,491,340.62/1,696.68
  6. Step 6: Final answer
    x = 878.98

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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.