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Finding the Fourth Proportional to 1,664,730.80, 2,493,409.80 and 1,369,818.80

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Solution

The fourth proportional to 1,664,730.80, 2,493,409.80 and 1,369,818.80 is: 2,051,694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,730.80 : 2,493,409.80 = 1,369,818.80 : x
  2. Step 2: Convert to fraction form
    1,664,730.80/2,493,409.80 = 1,369,818.80/x
  3. Step 3: Cross multiply
    1,664,730.80x = 2,493,409.80 × 1,369,818.80
  4. Step 4: Simplify right side
    1,664,730.80x = 3,415,519,620,144.24
  5. Step 5: Solve for x
    x = 3,415,519,620,144.24/1,664,730.80
  6. Step 6: Final answer
    x = 2,051,694.86

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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.