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Finding the Fourth Proportional to 1,684.58, 2,526.93 and 451.96

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Solution

The fourth proportional to 1,684.58, 2,526.93 and 451.96 is: 677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684.58 : 2,526.93 = 451.96 : x
  2. Step 2: Convert to fraction form
    1,684.58/2,526.93 = 451.96/x
  3. Step 3: Cross multiply
    1,684.58x = 2,526.93 × 451.96
  4. Step 4: Simplify right side
    1,684.58x = 1,142,064.97
  5. Step 5: Solve for x
    x = 1,142,064.97/1,684.58
  6. Step 6: Final answer
    x = 677.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.