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Finding the Fourth Proportional to 1,855,379.86, 2,784,022.04 and 883,844.39

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Solution

The fourth proportional to 1,855,379.86, 2,784,022.04 and 883,844.39 is: 1,326,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,379.86 : 2,784,022.04 = 883,844.39 : x
  2. Step 2: Convert to fraction form
    1,855,379.86/2,784,022.04 = 883,844.39/x
  3. Step 3: Cross multiply
    1,855,379.86x = 2,784,022.04 × 883,844.39
  4. Step 4: Simplify right side
    1,855,379.86x = 2,460,642,270,860.02
  5. Step 5: Solve for x
    x = 2,460,642,270,860.02/1,855,379.86
  6. Step 6: Final answer
    x = 1,326,220.21

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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.