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Finding the Fourth Proportional to 699,078, 1,048,620.84 and 173,766

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Solution

The fourth proportional to 699,078, 1,048,620.84 and 173,766 is: 260,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,078 : 1,048,620.84 = 173,766 : x
  2. Step 2: Convert to fraction form
    699,078/1,048,620.84 = 173,766/x
  3. Step 3: Cross multiply
    699,078x = 1,048,620.84 × 173,766
  4. Step 4: Simplify right side
    699,078x = 182,214,648,883.44
  5. Step 5: Solve for x
    x = 182,214,648,883.44/699,078
  6. Step 6: Final answer
    x = 260,649.95

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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.