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Finding the Fourth Proportional to 1,201.46, 1,802.10 and 335.84

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Solution

The fourth proportional to 1,201.46, 1,802.10 and 335.84 is: 503.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201.46 : 1,802.10 = 335.84 : x
  2. Step 2: Convert to fraction form
    1,201.46/1,802.10 = 335.84/x
  3. Step 3: Cross multiply
    1,201.46x = 1,802.10 × 335.84
  4. Step 4: Simplify right side
    1,201.46x = 605,217.26
  5. Step 5: Solve for x
    x = 605,217.26/1,201.46
  6. Step 6: Final answer
    x = 503.73

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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.