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Finding the Fourth Proportional to 1,402.44, 2,103.54 and 362.48

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Solution

The fourth proportional to 1,402.44, 2,103.54 and 362.48 is: 543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402.44 : 2,103.54 = 362.48 : x
  2. Step 2: Convert to fraction form
    1,402.44/2,103.54 = 362.48/x
  3. Step 3: Cross multiply
    1,402.44x = 2,103.54 × 362.48
  4. Step 4: Simplify right side
    1,402.44x = 762,491.18
  5. Step 5: Solve for x
    x = 762,491.18/1,402.44
  6. Step 6: Final answer
    x = 543.69

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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.