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Finding the Fourth Proportional to 326,051.44, 489,077.46 and 262,573.90

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Solution

The fourth proportional to 326,051.44, 489,077.46 and 262,573.90 is: 393,861.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,051.44 : 489,077.46 = 262,573.90 : x
  2. Step 2: Convert to fraction form
    326,051.44/489,077.46 = 262,573.90/x
  3. Step 3: Cross multiply
    326,051.44x = 489,077.46 × 262,573.90
  4. Step 4: Simplify right side
    326,051.44x = 128,418,976,074.29
  5. Step 5: Solve for x
    x = 128,418,976,074.29/326,051.44
  6. Step 6: Final answer
    x = 393,861.09

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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.