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Finding the Fourth Proportional to 4,978,740.84, 7,469,440.26 and 1,784,189.94

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Solution

The fourth proportional to 4,978,740.84, 7,469,440.26 and 1,784,189.94 is: 2,676,761.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978,740.84 : 7,469,440.26 = 1,784,189.94 : x
  2. Step 2: Convert to fraction form
    4,978,740.84/7,469,440.26 = 1,784,189.94/x
  3. Step 3: Cross multiply
    4,978,740.84x = 7,469,440.26 × 1,784,189.94
  4. Step 4: Simplify right side
    4,978,740.84x = 13,326,900,169,322.98
  5. Step 5: Solve for x
    x = 13,326,900,169,322.98/4,978,740.84
  6. Step 6: Final answer
    x = 2,676,761.17

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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.