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Finding the Fourth Proportional to 1,914,051.60, 2,869,446.60 and 848,512.80

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Solution

The fourth proportional to 1,914,051.60, 2,869,446.60 and 848,512.80 is: 1,272,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,051.60 : 2,869,446.60 = 848,512.80 : x
  2. Step 2: Convert to fraction form
    1,914,051.60/2,869,446.60 = 848,512.80/x
  3. Step 3: Cross multiply
    1,914,051.60x = 2,869,446.60 × 848,512.80
  4. Step 4: Simplify right side
    1,914,051.60x = 2,434,762,169,016.48
  5. Step 5: Solve for x
    x = 2,434,762,169,016.48/1,914,051.60
  6. Step 6: Final answer
    x = 1,272,046.25

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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.