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Finding the Fourth Proportional to 3,671,323.78, 5,505,094.80 and 1,647,833.02

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Solution

The fourth proportional to 3,671,323.78, 5,505,094.80 and 1,647,833.02 is: 2,470,900.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671,323.78 : 5,505,094.80 = 1,647,833.02 : x
  2. Step 2: Convert to fraction form
    3,671,323.78/5,505,094.80 = 1,647,833.02/x
  3. Step 3: Cross multiply
    3,671,323.78x = 5,505,094.80 × 1,647,833.02
  4. Step 4: Simplify right side
    3,671,323.78x = 9,071,476,989,670.30
  5. Step 5: Solve for x
    x = 9,071,476,989,670.30/3,671,323.78
  6. Step 6: Final answer
    x = 2,470,900.83

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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.