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Finding the Fourth Proportional to 301,512.43, 451,677.52 and 174,886.66

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Solution

The fourth proportional to 301,512.43, 451,677.52 and 174,886.66 is: 261,987.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,512.43 : 451,677.52 = 174,886.66 : x
  2. Step 2: Convert to fraction form
    301,512.43/451,677.52 = 174,886.66/x
  3. Step 3: Cross multiply
    301,512.43x = 451,677.52 × 174,886.66
  4. Step 4: Simplify right side
    301,512.43x = 78,992,372,869.88
  5. Step 5: Solve for x
    x = 78,992,372,869.88/301,512.43
  6. Step 6: Final answer
    x = 261,987.12

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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.