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Finding the Fourth Proportional to 408,658.44, 612,981.50 and 183,860.12

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Solution

The fourth proportional to 408,658.44, 612,981.50 and 183,860.12 is: 275,787.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,658.44 : 612,981.50 = 183,860.12 : x
  2. Step 2: Convert to fraction form
    408,658.44/612,981.50 = 183,860.12/x
  3. Step 3: Cross multiply
    408,658.44x = 612,981.50 × 183,860.12
  4. Step 4: Simplify right side
    408,658.44x = 112,702,852,147.78
  5. Step 5: Solve for x
    x = 112,702,852,147.78/408,658.44
  6. Step 6: Final answer
    x = 275,787.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.