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Finding the Fourth Proportional to 1,586.81, 2,380.54 and 599.60

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Solution

The fourth proportional to 1,586.81, 2,380.54 and 599.60 is: 899.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.81 : 2,380.54 = 599.60 : x
  2. Step 2: Convert to fraction form
    1,586.81/2,380.54 = 599.60/x
  3. Step 3: Cross multiply
    1,586.81x = 2,380.54 × 599.60
  4. Step 4: Simplify right side
    1,586.81x = 1,427,371.78
  5. Step 5: Solve for x
    x = 1,427,371.78/1,586.81
  6. Step 6: Final answer
    x = 899.52

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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.