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Finding the Fourth Proportional to 408,083.80, 612,125.70 and 362,594.20

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Solution

The fourth proportional to 408,083.80, 612,125.70 and 362,594.20 is: 543,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,083.80 : 612,125.70 = 362,594.20 : x
  2. Step 2: Convert to fraction form
    408,083.80/612,125.70 = 362,594.20/x
  3. Step 3: Cross multiply
    408,083.80x = 612,125.70 × 362,594.20
  4. Step 4: Simplify right side
    408,083.80x = 221,953,228,490.94
  5. Step 5: Solve for x
    x = 221,953,228,490.94/408,083.80
  6. Step 6: Final answer
    x = 543,891.30

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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.