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Finding the Fourth Proportional to 1,796,731.60, 2,695,097.40 and 851,947.60

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Solution

The fourth proportional to 1,796,731.60, 2,695,097.40 and 851,947.60 is: 1,277,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,731.60 : 2,695,097.40 = 851,947.60 : x
  2. Step 2: Convert to fraction form
    1,796,731.60/2,695,097.40 = 851,947.60/x
  3. Step 3: Cross multiply
    1,796,731.60x = 2,695,097.40 × 851,947.60
  4. Step 4: Simplify right side
    1,796,731.60x = 2,296,081,761,696.24
  5. Step 5: Solve for x
    x = 2,296,081,761,696.24/1,796,731.60
  6. Step 6: Final answer
    x = 1,277,921.40

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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.