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Finding the Fourth Proportional to 6,441,548.39, 8,889,111.73 and 3,540,918.50

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Solution

The fourth proportional to 6,441,548.39, 8,889,111.73 and 3,540,918.50 is: 4,886,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441,548.39 : 8,889,111.73 = 3,540,918.50 : x
  2. Step 2: Convert to fraction form
    6,441,548.39/8,889,111.73 = 3,540,918.50/x
  3. Step 3: Cross multiply
    6,441,548.39x = 8,889,111.73 × 3,540,918.50
  4. Step 4: Simplify right side
    6,441,548.39x = 31,475,620,173,324.01
  5. Step 5: Solve for x
    x = 31,475,620,173,324.01/6,441,548.39
  6. Step 6: Final answer
    x = 4,886,343.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.