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Finding the Fourth Proportional to 2,755,788.97, 4,133,844.35 and 836,762.78

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Solution

The fourth proportional to 2,755,788.97, 4,133,844.35 and 836,762.78 is: 1,255,193.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755,788.97 : 4,133,844.35 = 836,762.78 : x
  2. Step 2: Convert to fraction form
    2,755,788.97/4,133,844.35 = 836,762.78/x
  3. Step 3: Cross multiply
    2,755,788.97x = 4,133,844.35 × 836,762.78
  4. Step 4: Simplify right side
    2,755,788.97x = 3,459,047,096,544.09
  5. Step 5: Solve for x
    x = 3,459,047,096,544.09/2,755,788.97
  6. Step 6: Final answer
    x = 1,255,193.03

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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.