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Finding the Fourth Proportional to 896.32, 1,344.19 and 348.69

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Solution

The fourth proportional to 896.32, 1,344.19 and 348.69 is: 522.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    896.32 : 1,344.19 = 348.69 : x
  2. Step 2: Convert to fraction form
    896.32/1,344.19 = 348.69/x
  3. Step 3: Cross multiply
    896.32x = 1,344.19 × 348.69
  4. Step 4: Simplify right side
    896.32x = 468,705.61
  5. Step 5: Solve for x
    x = 468,705.61/896.32
  6. Step 6: Final answer
    x = 522.92

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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.