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Finding the Fourth Proportional to 408,299.31, 612,589.29 and 183,817.11

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Solution

The fourth proportional to 408,299.31, 612,589.29 and 183,817.11 is: 275,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,299.31 : 612,589.29 = 183,817.11 : x
  2. Step 2: Convert to fraction form
    408,299.31/612,589.29 = 183,817.11/x
  3. Step 3: Cross multiply
    408,299.31x = 612,589.29 × 183,817.11
  4. Step 4: Simplify right side
    408,299.31x = 112,604,392,904.75
  5. Step 5: Solve for x
    x = 112,604,392,904.75/408,299.31
  6. Step 6: Final answer
    x = 275,788.84

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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.