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Finding the Fourth Proportional to 1,201, 1,798.60 and 583.18

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Solution

The fourth proportional to 1,201, 1,798.60 and 583.18 is: 873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201 : 1,798.60 = 583.18 : x
  2. Step 2: Convert to fraction form
    1,201/1,798.60 = 583.18/x
  3. Step 3: Cross multiply
    1,201x = 1,798.60 × 583.18
  4. Step 4: Simplify right side
    1,201x = 1,048,906.09
  5. Step 5: Solve for x
    x = 1,048,906.09/1,201
  6. Step 6: Final answer
    x = 873.36

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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.