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Finding the Fourth Proportional to 1,333.41, 1,840.18 and 743.94

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Solution

The fourth proportional to 1,333.41, 1,840.18 and 743.94 is: 1,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.41 : 1,840.18 = 743.94 : x
  2. Step 2: Convert to fraction form
    1,333.41/1,840.18 = 743.94/x
  3. Step 3: Cross multiply
    1,333.41x = 1,840.18 × 743.94
  4. Step 4: Simplify right side
    1,333.41x = 1,368,981.65
  5. Step 5: Solve for x
    x = 1,368,981.65/1,333.41
  6. Step 6: Final answer
    x = 1,026.68

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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.