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Finding the Fourth Proportional to 1,913,301.64, 2,867,983.26 and 848,845

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Solution

The fourth proportional to 1,913,301.64, 2,867,983.26 and 848,845 is: 1,272,393.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,301.64 : 2,867,983.26 = 848,845 : x
  2. Step 2: Convert to fraction form
    1,913,301.64/2,867,983.26 = 848,845/x
  3. Step 3: Cross multiply
    1,913,301.64x = 2,867,983.26 × 848,845
  4. Step 4: Simplify right side
    1,913,301.64x = 2,434,473,250,334.70
  5. Step 5: Solve for x
    x = 2,434,473,250,334.70/1,913,301.64
  6. Step 6: Final answer
    x = 1,272,393.86

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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.