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Finding the Fourth Proportional to 3,978,551.35, 5,962,808.94 and 1,701,383.77

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Solution

The fourth proportional to 3,978,551.35, 5,962,808.94 and 1,701,383.77 is: 2,549,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,978,551.35 : 5,962,808.94 = 1,701,383.77 : x
  2. Step 2: Convert to fraction form
    3,978,551.35/5,962,808.94 = 1,701,383.77/x
  3. Step 3: Cross multiply
    3,978,551.35x = 5,962,808.94 × 1,701,383.77
  4. Step 4: Simplify right side
    3,978,551.35x = 10,145,026,354,126.90
  5. Step 5: Solve for x
    x = 10,145,026,354,126.90/3,978,551.35
  6. Step 6: Final answer
    x = 2,549,929.73

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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.