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Finding the Fourth Proportional to 2,764,728, 3,815,520.48 and 1,557,504

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Solution

The fourth proportional to 2,764,728, 3,815,520.48 and 1,557,504 is: 2,149,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764,728 : 3,815,520.48 = 1,557,504 : x
  2. Step 2: Convert to fraction form
    2,764,728/3,815,520.48 = 1,557,504/x
  3. Step 3: Cross multiply
    2,764,728x = 3,815,520.48 × 1,557,504
  4. Step 4: Simplify right side
    2,764,728x = 5,942,688,409,681.92
  5. Step 5: Solve for x
    x = 5,942,688,409,681.92/2,764,728
  6. Step 6: Final answer
    x = 2,149,465.85

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Why These Related Problems?

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