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Finding the Fourth Proportional to 2,652,893.42, 3,977,845.32 and 922,969.92

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Solution

The fourth proportional to 2,652,893.42, 3,977,845.32 and 922,969.92 is: 1,383,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,893.42 : 3,977,845.32 = 922,969.92 : x
  2. Step 2: Convert to fraction form
    2,652,893.42/3,977,845.32 = 922,969.92/x
  3. Step 3: Cross multiply
    2,652,893.42x = 3,977,845.32 × 922,969.92
  4. Step 4: Simplify right side
    2,652,893.42x = 3,671,431,576,772.77
  5. Step 5: Solve for x
    x = 3,671,431,576,772.77/2,652,893.42
  6. Step 6: Final answer
    x = 1,383,934.82

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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.