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Finding the Fourth Proportional to 331,062.75, 456,835.01 and 185,835.29

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Solution

The fourth proportional to 331,062.75, 456,835.01 and 185,835.29 is: 256,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,062.75 : 456,835.01 = 185,835.29 : x
  2. Step 2: Convert to fraction form
    331,062.75/456,835.01 = 185,835.29/x
  3. Step 3: Cross multiply
    331,062.75x = 456,835.01 × 185,835.29
  4. Step 4: Simplify right side
    331,062.75x = 84,896,063,352.15
  5. Step 5: Solve for x
    x = 84,896,063,352.15/331,062.75
  6. Step 6: Final answer
    x = 256,434.96

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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.