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Finding the Fourth Proportional to 451,173.53, 676,497.98 and 170,712.41

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Solution

The fourth proportional to 451,173.53, 676,497.98 and 170,712.41 is: 255,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,173.53 : 676,497.98 = 170,712.41 : x
  2. Step 2: Convert to fraction form
    451,173.53/676,497.98 = 170,712.41/x
  3. Step 3: Cross multiply
    451,173.53x = 676,497.98 × 170,712.41
  4. Step 4: Simplify right side
    451,173.53x = 115,486,599,672.37
  5. Step 5: Solve for x
    x = 115,486,599,672.37/451,173.53
  6. Step 6: Final answer
    x = 255,969.36

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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.