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Finding the Fourth Proportional to 326,232.99, 449,994.33 and 235,721.79

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Solution

The fourth proportional to 326,232.99, 449,994.33 and 235,721.79 is: 325,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,232.99 : 449,994.33 = 235,721.79 : x
  2. Step 2: Convert to fraction form
    326,232.99/449,994.33 = 235,721.79/x
  3. Step 3: Cross multiply
    326,232.99x = 449,994.33 × 235,721.79
  4. Step 4: Simplify right side
    326,232.99x = 106,073,468,957.45
  5. Step 5: Solve for x
    x = 106,073,468,957.45/326,232.99
  6. Step 6: Final answer
    x = 325,146.36

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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.