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Finding the Fourth Proportional to 431,864.72, 595,959.24 and 235,623.92

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Solution

The fourth proportional to 431,864.72, 595,959.24 and 235,623.92 is: 325,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,864.72 : 595,959.24 = 235,623.92 : x
  2. Step 2: Convert to fraction form
    431,864.72/595,959.24 = 235,623.92/x
  3. Step 3: Cross multiply
    431,864.72x = 595,959.24 × 235,623.92
  4. Step 4: Simplify right side
    431,864.72x = 140,422,252,289.02
  5. Step 5: Solve for x
    x = 140,422,252,289.02/431,864.72
  6. Step 6: Final answer
    x = 325,153.33

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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.