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Finding the Fourth Proportional to 1,964,664.06, 2,946,996.26 and 544,720.20

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Solution

The fourth proportional to 1,964,664.06, 2,946,996.26 and 544,720.20 is: 817,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,664.06 : 2,946,996.26 = 544,720.20 : x
  2. Step 2: Convert to fraction form
    1,964,664.06/2,946,996.26 = 544,720.20/x
  3. Step 3: Cross multiply
    1,964,664.06x = 2,946,996.26 × 544,720.20
  4. Step 4: Simplify right side
    1,964,664.06x = 1,605,288,392,146.45
  5. Step 5: Solve for x
    x = 1,605,288,392,146.45/1,964,664.06
  6. Step 6: Final answer
    x = 817,080.35

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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.