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Finding the Fourth Proportional to 2,320.38, 3,480.44 and 589.01

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Solution

The fourth proportional to 2,320.38, 3,480.44 and 589.01 is: 883.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.38 : 3,480.44 = 589.01 : x
  2. Step 2: Convert to fraction form
    2,320.38/3,480.44 = 589.01/x
  3. Step 3: Cross multiply
    2,320.38x = 3,480.44 × 589.01
  4. Step 4: Simplify right side
    2,320.38x = 2,049,993.62
  5. Step 5: Solve for x
    x = 2,049,993.62/2,320.38
  6. Step 6: Final answer
    x = 883.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.