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Finding the Fourth Proportional to 453,446.56, 680,060.35 and 133,511.46

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Solution

The fourth proportional to 453,446.56, 680,060.35 and 133,511.46 is: 200,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,446.56 : 680,060.35 = 133,511.46 : x
  2. Step 2: Convert to fraction form
    453,446.56/680,060.35 = 133,511.46/x
  3. Step 3: Cross multiply
    453,446.56x = 680,060.35 × 133,511.46
  4. Step 4: Simplify right side
    453,446.56x = 90,795,850,216.61
  5. Step 5: Solve for x
    x = 90,795,850,216.61/453,446.56
  6. Step 6: Final answer
    x = 200,234.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.