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Finding the Fourth Proportional to 329,585.44, 454,388.16 and 261,827.36

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Solution

The fourth proportional to 329,585.44, 454,388.16 and 261,827.36 is: 360,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,585.44 : 454,388.16 = 261,827.36 : x
  2. Step 2: Convert to fraction form
    329,585.44/454,388.16 = 261,827.36/x
  3. Step 3: Cross multiply
    329,585.44x = 454,388.16 × 261,827.36
  4. Step 4: Simplify right side
    329,585.44x = 118,971,252,348.06
  5. Step 5: Solve for x
    x = 118,971,252,348.06/329,585.44
  6. Step 6: Final answer
    x = 360,972.42

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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.