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Finding the Fourth Proportional to 1,842,776.22, 2,764,168.44 and 830,721.62

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Solution

The fourth proportional to 1,842,776.22, 2,764,168.44 and 830,721.62 is: 1,246,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,776.22 : 2,764,168.44 = 830,721.62 : x
  2. Step 2: Convert to fraction form
    1,842,776.22/2,764,168.44 = 830,721.62/x
  3. Step 3: Cross multiply
    1,842,776.22x = 2,764,168.44 × 830,721.62
  4. Step 4: Simplify right side
    1,842,776.22x = 2,296,254,488,224.89
  5. Step 5: Solve for x
    x = 2,296,254,488,224.89/1,842,776.22
  6. Step 6: Final answer
    x = 1,246,084.28

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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.