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Finding the Fourth Proportional to 2,642,199.03, 3,646,214.12 and 1,434,975.03

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Solution

The fourth proportional to 2,642,199.03, 3,646,214.12 and 1,434,975.03 is: 1,980,254.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,199.03 : 3,646,214.12 = 1,434,975.03 : x
  2. Step 2: Convert to fraction form
    2,642,199.03/3,646,214.12 = 1,434,975.03/x
  3. Step 3: Cross multiply
    2,642,199.03x = 3,646,214.12 × 1,434,975.03
  4. Step 4: Simplify right side
    2,642,199.03x = 5,232,226,209,058.55
  5. Step 5: Solve for x
    x = 5,232,226,209,058.55/2,642,199.03
  6. Step 6: Final answer
    x = 1,980,254.38

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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.