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Finding the Fourth Proportional to 1,995,769.60, 2,993,654.40 and 1,841,804.80

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Solution

The fourth proportional to 1,995,769.60, 2,993,654.40 and 1,841,804.80 is: 2,762,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,769.60 : 2,993,654.40 = 1,841,804.80 : x
  2. Step 2: Convert to fraction form
    1,995,769.60/2,993,654.40 = 1,841,804.80/x
  3. Step 3: Cross multiply
    1,995,769.60x = 2,993,654.40 × 1,841,804.80
  4. Step 4: Simplify right side
    1,995,769.60x = 5,513,727,043,461.12
  5. Step 5: Solve for x
    x = 5,513,727,043,461.12/1,995,769.60
  6. Step 6: Final answer
    x = 2,762,707.20

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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.