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Finding the Fourth Proportional to 349,051.58, 481,638.69 and 196,060.46

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Solution

The fourth proportional to 349,051.58, 481,638.69 and 196,060.46 is: 270,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,051.58 : 481,638.69 = 196,060.46 : x
  2. Step 2: Convert to fraction form
    349,051.58/481,638.69 = 196,060.46/x
  3. Step 3: Cross multiply
    349,051.58x = 481,638.69 × 196,060.46
  4. Step 4: Simplify right side
    349,051.58x = 94,430,300,707.00
  5. Step 5: Solve for x
    x = 94,430,300,707.00/349,051.58
  6. Step 6: Final answer
    x = 270,533.95

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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.