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Finding the Fourth Proportional to 535,568.96, 739,085.11 and 306,131.15

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Solution

The fourth proportional to 535,568.96, 739,085.11 and 306,131.15 is: 422,460.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,568.96 : 739,085.11 = 306,131.15 : x
  2. Step 2: Convert to fraction form
    535,568.96/739,085.11 = 306,131.15/x
  3. Step 3: Cross multiply
    535,568.96x = 739,085.11 × 306,131.15
  4. Step 4: Simplify right side
    535,568.96x = 226,256,975,754.56
  5. Step 5: Solve for x
    x = 226,256,975,754.56/535,568.96
  6. Step 6: Final answer
    x = 422,460.96

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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.