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Finding the Fourth Proportional to 2,549,844.96, 3,822,391.44 and 865,796.64

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Solution

The fourth proportional to 2,549,844.96, 3,822,391.44 and 865,796.64 is: 1,297,888.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549,844.96 : 3,822,391.44 = 865,796.64 : x
  2. Step 2: Convert to fraction form
    2,549,844.96/3,822,391.44 = 865,796.64/x
  3. Step 3: Cross multiply
    2,549,844.96x = 3,822,391.44 × 865,796.64
  4. Step 4: Simplify right side
    2,549,844.96x = 3,309,413,665,516.76
  5. Step 5: Solve for x
    x = 3,309,413,665,516.76/2,549,844.96
  6. Step 6: Final answer
    x = 1,297,888.19

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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.