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Finding the Fourth Proportional to 1,022.41, 1,410.80 and 580.23

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Solution

The fourth proportional to 1,022.41, 1,410.80 and 580.23 is: 800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.41 : 1,410.80 = 580.23 : x
  2. Step 2: Convert to fraction form
    1,022.41/1,410.80 = 580.23/x
  3. Step 3: Cross multiply
    1,022.41x = 1,410.80 × 580.23
  4. Step 4: Simplify right side
    1,022.41x = 818,585.58
  5. Step 5: Solve for x
    x = 818,585.58/1,022.41
  6. Step 6: Final answer
    x = 800.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.