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Finding the Fourth Proportional to 1,969,641.03, 2,718,104.63 and 1,064,223.03

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Solution

The fourth proportional to 1,969,641.03, 2,718,104.63 and 1,064,223.03 is: 1,468,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,641.03 : 2,718,104.63 = 1,064,223.03 : x
  2. Step 2: Convert to fraction form
    1,969,641.03/2,718,104.63 = 1,064,223.03/x
  3. Step 3: Cross multiply
    1,969,641.03x = 2,718,104.63 × 1,064,223.03
  4. Step 4: Simplify right side
    1,969,641.03x = 2,892,669,545,195.63
  5. Step 5: Solve for x
    x = 2,892,669,545,195.63/1,969,641.03
  6. Step 6: Final answer
    x = 1,468,627.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.