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Finding the Fourth Proportional to 483,538.86, 667,271.50 and 268,679.48

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Solution

The fourth proportional to 483,538.86, 667,271.50 and 268,679.48 is: 370,770.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,538.86 : 667,271.50 = 268,679.48 : x
  2. Step 2: Convert to fraction form
    483,538.86/667,271.50 = 268,679.48/x
  3. Step 3: Cross multiply
    483,538.86x = 667,271.50 × 268,679.48
  4. Step 4: Simplify right side
    483,538.86x = 179,282,159,638.82
  5. Step 5: Solve for x
    x = 179,282,159,638.82/483,538.86
  6. Step 6: Final answer
    x = 370,770.94

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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.