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Finding the Fourth Proportional to 2,693,339.22, 4,039,968.70 and 1,253,216.13

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Solution

The fourth proportional to 2,693,339.22, 4,039,968.70 and 1,253,216.13 is: 1,879,805.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693,339.22 : 4,039,968.70 = 1,253,216.13 : x
  2. Step 2: Convert to fraction form
    2,693,339.22/4,039,968.70 = 1,253,216.13/x
  3. Step 3: Cross multiply
    2,693,339.22x = 4,039,968.70 × 1,253,216.13
  4. Step 4: Simplify right side
    2,693,339.22x = 5,062,953,939,535.13
  5. Step 5: Solve for x
    x = 5,062,953,939,535.13/2,693,339.22
  6. Step 6: Final answer
    x = 1,879,805.52

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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.