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Finding the Fourth Proportional to 707.27, 1,060.44 and 360.77

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Solution

The fourth proportional to 707.27, 1,060.44 and 360.77 is: 540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    707.27 : 1,060.44 = 360.77 : x
  2. Step 2: Convert to fraction form
    707.27/1,060.44 = 360.77/x
  3. Step 3: Cross multiply
    707.27x = 1,060.44 × 360.77
  4. Step 4: Simplify right side
    707.27x = 382,569.64
  5. Step 5: Solve for x
    x = 382,569.64/707.27
  6. Step 6: Final answer
    x = 540.91

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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.