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Finding the Fourth Proportional to 1,733,429.80, 2,599,107.90 and 893,621.80

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Solution

The fourth proportional to 1,733,429.80, 2,599,107.90 and 893,621.80 is: 1,339,898.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733,429.80 : 2,599,107.90 = 893,621.80 : x
  2. Step 2: Convert to fraction form
    1,733,429.80/2,599,107.90 = 893,621.80/x
  3. Step 3: Cross multiply
    1,733,429.80x = 2,599,107.90 × 893,621.80
  4. Step 4: Simplify right side
    1,733,429.80x = 2,322,619,479,992.22
  5. Step 5: Solve for x
    x = 2,322,619,479,992.22/1,733,429.80
  6. Step 6: Final answer
    x = 1,339,898.21

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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.