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Finding the Fourth Proportional to 896.04, 1,344.24 and 348.26

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Solution

The fourth proportional to 896.04, 1,344.24 and 348.26 is: 522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    896.04 : 1,344.24 = 348.26 : x
  2. Step 2: Convert to fraction form
    896.04/1,344.24 = 348.26/x
  3. Step 3: Cross multiply
    896.04x = 1,344.24 × 348.26
  4. Step 4: Simplify right side
    896.04x = 468,138.30
  5. Step 5: Solve for x
    x = 468,138.30/896.04
  6. Step 6: Final answer
    x = 522.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.