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Finding the Fourth Proportional to 427,959.88, 590,577.40 and 236,969.16

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Solution

The fourth proportional to 427,959.88, 590,577.40 and 236,969.16 is: 327,013.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,959.88 : 590,577.40 = 236,969.16 : x
  2. Step 2: Convert to fraction form
    427,959.88/590,577.40 = 236,969.16/x
  3. Step 3: Cross multiply
    427,959.88x = 590,577.40 × 236,969.16
  4. Step 4: Simplify right side
    427,959.88x = 139,948,630,392.98
  5. Step 5: Solve for x
    x = 139,948,630,392.98/427,959.88
  6. Step 6: Final answer
    x = 327,013.43

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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.