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Finding the Fourth Proportional to 2,642,202.03, 3,646,218.25 and 1,434,978.03

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Solution

The fourth proportional to 2,642,202.03, 3,646,218.25 and 1,434,978.03 is: 1,980,258.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,202.03 : 3,646,218.25 = 1,434,978.03 : x
  2. Step 2: Convert to fraction form
    2,642,202.03/3,646,218.25 = 1,434,978.03/x
  3. Step 3: Cross multiply
    2,642,202.03x = 3,646,218.25 × 1,434,978.03
  4. Step 4: Simplify right side
    2,642,202.03x = 5,232,243,081,335.05
  5. Step 5: Solve for x
    x = 5,232,243,081,335.05/2,642,202.03
  6. Step 6: Final answer
    x = 1,980,258.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.