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Finding the Fourth Proportional to 299,818.44, 449,599.65 and 173,545.86

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Solution

The fourth proportional to 299,818.44, 449,599.65 and 173,545.86 is: 260,244.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,818.44 : 449,599.65 = 173,545.86 : x
  2. Step 2: Convert to fraction form
    299,818.44/449,599.65 = 173,545.86/x
  3. Step 3: Cross multiply
    299,818.44x = 449,599.65 × 173,545.86
  4. Step 4: Simplify right side
    299,818.44x = 78,026,157,914.95
  5. Step 5: Solve for x
    x = 78,026,157,914.95/299,818.44
  6. Step 6: Final answer
    x = 260,244.69

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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.