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Finding the Fourth Proportional to 1,796,751, 2,479,234.50 and 1,032,661.80

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Solution

The fourth proportional to 1,796,751, 2,479,234.50 and 1,032,661.80 is: 1,424,911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,751 : 2,479,234.50 = 1,032,661.80 : x
  2. Step 2: Convert to fraction form
    1,796,751/2,479,234.50 = 1,032,661.80/x
  3. Step 3: Cross multiply
    1,796,751x = 2,479,234.50 × 1,032,661.80
  4. Step 4: Simplify right side
    1,796,751x = 2,560,210,761,392.10
  5. Step 5: Solve for x
    x = 2,560,210,761,392.10/1,796,751
  6. Step 6: Final answer
    x = 1,424,911.28

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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.