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Finding the Fourth Proportional to 1,364.04, 1,882.22 and 774.41

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Solution

The fourth proportional to 1,364.04, 1,882.22 and 774.41 is: 1,068.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.04 : 1,882.22 = 774.41 : x
  2. Step 2: Convert to fraction form
    1,364.04/1,882.22 = 774.41/x
  3. Step 3: Cross multiply
    1,364.04x = 1,882.22 × 774.41
  4. Step 4: Simplify right side
    1,364.04x = 1,457,596.71
  5. Step 5: Solve for x
    x = 1,457,596.71/1,364.04
  6. Step 6: Final answer
    x = 1,068.59

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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.