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Finding the Fourth Proportional to 347,633.52, 479,701.08 and 276,186.48

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Solution

The fourth proportional to 347,633.52, 479,701.08 and 276,186.48 is: 381,110.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,633.52 : 479,701.08 = 276,186.48 : x
  2. Step 2: Convert to fraction form
    347,633.52/479,701.08 = 276,186.48/x
  3. Step 3: Cross multiply
    347,633.52x = 479,701.08 × 276,186.48
  4. Step 4: Simplify right side
    347,633.52x = 132,486,952,737.40
  5. Step 5: Solve for x
    x = 132,486,952,737.40/347,633.52
  6. Step 6: Final answer
    x = 381,110.98

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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.