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Finding the Fourth Proportional to 707.08, 1,060.44 and 274

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Solution

The fourth proportional to 707.08, 1,060.44 and 274 is: 410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    707.08 : 1,060.44 = 274 : x
  2. Step 2: Convert to fraction form
    707.08/1,060.44 = 274/x
  3. Step 3: Cross multiply
    707.08x = 1,060.44 × 274
  4. Step 4: Simplify right side
    707.08x = 290,560.56
  5. Step 5: Solve for x
    x = 290,560.56/707.08
  6. Step 6: Final answer
    x = 410.93

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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.