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Finding the Fourth Proportional to 5,317,796.00, 7,976,976.87 and 1,674,810.78

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Solution

The fourth proportional to 5,317,796.00, 7,976,976.87 and 1,674,810.78 is: 2,512,305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317,796.00 : 7,976,976.87 = 1,674,810.78 : x
  2. Step 2: Convert to fraction form
    5,317,796.00/7,976,976.87 = 1,674,810.78/x
  3. Step 3: Cross multiply
    5,317,796.00x = 7,976,976.87 × 1,674,810.78
  4. Step 4: Simplify right side
    5,317,796.00x = 13,359,926,853,686.66
  5. Step 5: Solve for x
    x = 13,359,926,853,686.66/5,317,796.00
  6. Step 6: Final answer
    x = 2,512,305.26

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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.