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Finding the Fourth Proportional to 467,253.25, 644,809.73 and 252,393.31

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Solution

The fourth proportional to 467,253.25, 644,809.73 and 252,393.31 is: 348,302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,253.25 : 644,809.73 = 252,393.31 : x
  2. Step 2: Convert to fraction form
    467,253.25/644,809.73 = 252,393.31/x
  3. Step 3: Cross multiply
    467,253.25x = 644,809.73 × 252,393.31
  4. Step 4: Simplify right side
    467,253.25x = 162,745,660,812.94
  5. Step 5: Solve for x
    x = 162,745,660,812.94/467,253.25
  6. Step 6: Final answer
    x = 348,302.90

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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.