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Finding the Fourth Proportional to 706.89, 1,059.65 and 244.32

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Solution

The fourth proportional to 706.89, 1,059.65 and 244.32 is: 366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.89 : 1,059.65 = 244.32 : x
  2. Step 2: Convert to fraction form
    706.89/1,059.65 = 244.32/x
  3. Step 3: Cross multiply
    706.89x = 1,059.65 × 244.32
  4. Step 4: Simplify right side
    706.89x = 258,888.39
  5. Step 5: Solve for x
    x = 258,888.39/706.89
  6. Step 6: Final answer
    x = 366.24

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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.