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Finding the Fourth Proportional to 260,677.44, 391,045.32 and 73,703.52

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Solution

The fourth proportional to 260,677.44, 391,045.32 and 73,703.52 is: 110,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,677.44 : 391,045.32 = 73,703.52 : x
  2. Step 2: Convert to fraction form
    260,677.44/391,045.32 = 73,703.52/x
  3. Step 3: Cross multiply
    260,677.44x = 391,045.32 × 73,703.52
  4. Step 4: Simplify right side
    260,677.44x = 28,821,416,563.53
  5. Step 5: Solve for x
    x = 28,821,416,563.53/260,677.44
  6. Step 6: Final answer
    x = 110,563.52

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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.