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Finding the Fourth Proportional to 2,687,984.68, 4,032,764.46 and 794,775.40

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Solution

The fourth proportional to 2,687,984.68, 4,032,764.46 and 794,775.40 is: 1,192,395.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,984.68 : 4,032,764.46 = 794,775.40 : x
  2. Step 2: Convert to fraction form
    2,687,984.68/4,032,764.46 = 794,775.40/x
  3. Step 3: Cross multiply
    2,687,984.68x = 4,032,764.46 × 794,775.40
  4. Step 4: Simplify right side
    2,687,984.68x = 3,205,141,986,802.28
  5. Step 5: Solve for x
    x = 3,205,141,986,802.28/2,687,984.68
  6. Step 6: Final answer
    x = 1,192,395.93

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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.