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Finding the Fourth Proportional to 349,058, 481,701.88 and 196,102.64

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Solution

The fourth proportional to 349,058, 481,701.88 and 196,102.64 is: 270,622.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,058 : 481,701.88 = 196,102.64 : x
  2. Step 2: Convert to fraction form
    349,058/481,701.88 = 196,102.64/x
  3. Step 3: Cross multiply
    349,058x = 481,701.88 × 196,102.64
  4. Step 4: Simplify right side
    349,058x = 94,463,010,360.96
  5. Step 5: Solve for x
    x = 94,463,010,360.96/349,058
  6. Step 6: Final answer
    x = 270,622.68

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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.