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Finding the Fourth Proportional to 1,059.41, 1,588.82 and 366.05

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Solution

The fourth proportional to 1,059.41, 1,588.82 and 366.05 is: 548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.41 : 1,588.82 = 366.05 : x
  2. Step 2: Convert to fraction form
    1,059.41/1,588.82 = 366.05/x
  3. Step 3: Cross multiply
    1,059.41x = 1,588.82 × 366.05
  4. Step 4: Simplify right side
    1,059.41x = 581,589.70
  5. Step 5: Solve for x
    x = 581,589.70/1,059.41
  6. Step 6: Final answer
    x = 548.97

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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.