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Finding the Fourth Proportional to 1,583.99, 2,376.32 and 488.33

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Solution

The fourth proportional to 1,583.99, 2,376.32 and 488.33 is: 732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.99 : 2,376.32 = 488.33 : x
  2. Step 2: Convert to fraction form
    1,583.99/2,376.32 = 488.33/x
  3. Step 3: Cross multiply
    1,583.99x = 2,376.32 × 488.33
  4. Step 4: Simplify right side
    1,583.99x = 1,160,425.90
  5. Step 5: Solve for x
    x = 1,160,425.90/1,583.99
  6. Step 6: Final answer
    x = 732.60

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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.