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Finding the Fourth Proportional to 707.14, 1,060.47 and 244.79

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Solution

The fourth proportional to 707.14, 1,060.47 and 244.79 is: 367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    707.14 : 1,060.47 = 244.79 : x
  2. Step 2: Convert to fraction form
    707.14/1,060.47 = 244.79/x
  3. Step 3: Cross multiply
    707.14x = 1,060.47 × 244.79
  4. Step 4: Simplify right side
    707.14x = 259,597.09
  5. Step 5: Solve for x
    x = 259,597.09/707.14
  6. Step 6: Final answer
    x = 367.11

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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.