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Finding the Fourth Proportional to 1,483.34, 2,224.40 and 558.43

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Solution

The fourth proportional to 1,483.34, 2,224.40 and 558.43 is: 837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.34 : 2,224.40 = 558.43 : x
  2. Step 2: Convert to fraction form
    1,483.34/2,224.40 = 558.43/x
  3. Step 3: Cross multiply
    1,483.34x = 2,224.40 × 558.43
  4. Step 4: Simplify right side
    1,483.34x = 1,242,163.34
  5. Step 5: Solve for x
    x = 1,242,163.34/1,483.34
  6. Step 6: Final answer
    x = 837.41

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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.