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Finding the Fourth Proportional to 1,929,847.02, 2,661,445.53 and 1,204,761.48

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Solution

The fourth proportional to 1,929,847.02, 2,661,445.53 and 1,204,761.48 is: 1,661,482.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,847.02 : 2,661,445.53 = 1,204,761.48 : x
  2. Step 2: Convert to fraction form
    1,929,847.02/2,661,445.53 = 1,204,761.48/x
  3. Step 3: Cross multiply
    1,929,847.02x = 2,661,445.53 × 1,204,761.48
  4. Step 4: Simplify right side
    1,929,847.02x = 3,206,407,055,662.18
  5. Step 5: Solve for x
    x = 3,206,407,055,662.18/1,929,847.02
  6. Step 6: Final answer
    x = 1,661,482.50

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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.