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Finding the Fourth Proportional to 983,980.98, 1,474,704.22 and 477,561.92

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Solution

The fourth proportional to 983,980.98, 1,474,704.22 and 477,561.92 is: 715,727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,980.98 : 1,474,704.22 = 477,561.92 : x
  2. Step 2: Convert to fraction form
    983,980.98/1,474,704.22 = 477,561.92/x
  3. Step 3: Cross multiply
    983,980.98x = 1,474,704.22 × 477,561.92
  4. Step 4: Simplify right side
    983,980.98x = 704,262,578,735.30
  5. Step 5: Solve for x
    x = 704,262,578,735.30/983,980.98
  6. Step 6: Final answer
    x = 715,727.84

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