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Finding the Fourth Proportional to 1,201.09, 1,799.02 and 583.50

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Solution

The fourth proportional to 1,201.09, 1,799.02 and 583.50 is: 873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201.09 : 1,799.02 = 583.50 : x
  2. Step 2: Convert to fraction form
    1,201.09/1,799.02 = 583.50/x
  3. Step 3: Cross multiply
    1,201.09x = 1,799.02 × 583.50
  4. Step 4: Simplify right side
    1,201.09x = 1,049,728.17
  5. Step 5: Solve for x
    x = 1,049,728.17/1,201.09
  6. Step 6: Final answer
    x = 873.98

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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.