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Finding the Fourth Proportional to 313,521.33, 432,364.71 and 241,787.73

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Solution

The fourth proportional to 313,521.33, 432,364.71 and 241,787.73 is: 333,439.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,521.33 : 432,364.71 = 241,787.73 : x
  2. Step 2: Convert to fraction form
    313,521.33/432,364.71 = 241,787.73/x
  3. Step 3: Cross multiply
    313,521.33x = 432,364.71 × 241,787.73
  4. Step 4: Simplify right side
    313,521.33x = 104,540,481,763.01
  5. Step 5: Solve for x
    x = 104,540,481,763.01/313,521.33
  6. Step 6: Final answer
    x = 333,439.78

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1.5x scale

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.