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Finding the Fourth Proportional to 326,060.44, 449,810.31 and 230,619.76

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Solution

The fourth proportional to 326,060.44, 449,810.31 and 230,619.76 is: 318,146.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,060.44 : 449,810.31 = 230,619.76 : x
  2. Step 2: Convert to fraction form
    326,060.44/449,810.31 = 230,619.76/x
  3. Step 3: Cross multiply
    326,060.44x = 449,810.31 × 230,619.76
  4. Step 4: Simplify right side
    326,060.44x = 103,735,145,478.02
  5. Step 5: Solve for x
    x = 103,735,145,478.02/326,060.44
  6. Step 6: Final answer
    x = 318,146.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.