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Finding the Fourth Proportional to 1,343.19, 2,014.81 and 369.29

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Solution

The fourth proportional to 1,343.19, 2,014.81 and 369.29 is: 553.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.19 : 2,014.81 = 369.29 : x
  2. Step 2: Convert to fraction form
    1,343.19/2,014.81 = 369.29/x
  3. Step 3: Cross multiply
    1,343.19x = 2,014.81 × 369.29
  4. Step 4: Simplify right side
    1,343.19x = 744,038.19
  5. Step 5: Solve for x
    x = 744,038.19/1,343.19
  6. Step 6: Final answer
    x = 553.93

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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.