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Finding the Fourth Proportional to 299,657.93, 449,483.81 and 173,217.72

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Solution

The fourth proportional to 299,657.93, 449,483.81 and 173,217.72 is: 259,824.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,657.93 : 449,483.81 = 173,217.72 : x
  2. Step 2: Convert to fraction form
    299,657.93/449,483.81 = 173,217.72/x
  3. Step 3: Cross multiply
    299,657.93x = 449,483.81 × 173,217.72
  4. Step 4: Simplify right side
    299,657.93x = 77,858,559,879.02
  5. Step 5: Solve for x
    x = 77,858,559,879.02/299,657.93
  6. Step 6: Final answer
    x = 259,824.80

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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.