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Finding the Fourth Proportional to 301,693.52, 452,638.56 and 143,901.44

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Solution

The fourth proportional to 301,693.52, 452,638.56 and 143,901.44 is: 215,899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,693.52 : 452,638.56 = 143,901.44 : x
  2. Step 2: Convert to fraction form
    301,693.52/452,638.56 = 143,901.44/x
  3. Step 3: Cross multiply
    301,693.52x = 452,638.56 × 143,901.44
  4. Step 4: Simplify right side
    301,693.52x = 65,135,340,583.53
  5. Step 5: Solve for x
    x = 65,135,340,583.53/301,693.52
  6. Step 6: Final answer
    x = 215,899.04

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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.