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Finding the Fourth Proportional to 2,863,274.02, 4,294,687.70 and 1,664,431.68

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Solution

The fourth proportional to 2,863,274.02, 4,294,687.70 and 1,664,431.68 is: 2,496,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863,274.02 : 4,294,687.70 = 1,664,431.68 : x
  2. Step 2: Convert to fraction form
    2,863,274.02/4,294,687.70 = 1,664,431.68/x
  3. Step 3: Cross multiply
    2,863,274.02x = 4,294,687.70 × 1,664,431.68
  4. Step 4: Simplify right side
    2,863,274.02x = 7,148,214,263,586.34
  5. Step 5: Solve for x
    x = 7,148,214,263,586.34/2,863,274.02
  6. Step 6: Final answer
    x = 2,496,517.70

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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.