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Finding the Fourth Proportional to 1,629.99, 2,444.94 and 589.80

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Solution

The fourth proportional to 1,629.99, 2,444.94 and 589.80 is: 884.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.99 : 2,444.94 = 589.80 : x
  2. Step 2: Convert to fraction form
    1,629.99/2,444.94 = 589.80/x
  3. Step 3: Cross multiply
    1,629.99x = 2,444.94 × 589.80
  4. Step 4: Simplify right side
    1,629.99x = 1,442,025.61
  5. Step 5: Solve for x
    x = 1,442,025.61/1,629.99
  6. Step 6: Final answer
    x = 884.68

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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.