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Finding the Fourth Proportional to 328,782.92, 453,718.66 and 185,589.52

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Solution

The fourth proportional to 328,782.92, 453,718.66 and 185,589.52 is: 256,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,782.92 : 453,718.66 = 185,589.52 : x
  2. Step 2: Convert to fraction form
    328,782.92/453,718.66 = 185,589.52/x
  3. Step 3: Cross multiply
    328,782.92x = 453,718.66 × 185,589.52
  4. Step 4: Simplify right side
    328,782.92x = 84,205,428,324.44
  5. Step 5: Solve for x
    x = 84,205,428,324.44/328,782.92
  6. Step 6: Final answer
    x = 256,112.54

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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.