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Finding the Fourth Proportional to 1,076.41, 1,611.24 and 588.25

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Solution

The fourth proportional to 1,076.41, 1,611.24 and 588.25 is: 880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076.41 : 1,611.24 = 588.25 : x
  2. Step 2: Convert to fraction form
    1,076.41/1,611.24 = 588.25/x
  3. Step 3: Cross multiply
    1,076.41x = 1,611.24 × 588.25
  4. Step 4: Simplify right side
    1,076.41x = 947,811.93
  5. Step 5: Solve for x
    x = 947,811.93/1,076.41
  6. Step 6: Final answer
    x = 880.53

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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.