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Finding the Fourth Proportional to 706.47, 1,059.81 and 244.36

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Solution

The fourth proportional to 706.47, 1,059.81 and 244.36 is: 366.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.47 : 1,059.81 = 244.36 : x
  2. Step 2: Convert to fraction form
    706.47/1,059.81 = 244.36/x
  3. Step 3: Cross multiply
    706.47x = 1,059.81 × 244.36
  4. Step 4: Simplify right side
    706.47x = 258,975.17
  5. Step 5: Solve for x
    x = 258,975.17/706.47
  6. Step 6: Final answer
    x = 366.58

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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.