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Finding the Fourth Proportional to 453,060.82, 678,112.53 and 333,086.05

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Solution

The fourth proportional to 453,060.82, 678,112.53 and 333,086.05 is: 498,541.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,060.82 : 678,112.53 = 333,086.05 : x
  2. Step 2: Convert to fraction form
    453,060.82/678,112.53 = 333,086.05/x
  3. Step 3: Cross multiply
    453,060.82x = 678,112.53 × 333,086.05
  4. Step 4: Simplify right side
    453,060.82x = 225,869,824,073.21
  5. Step 5: Solve for x
    x = 225,869,824,073.21/453,060.82
  6. Step 6: Final answer
    x = 498,541.95

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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.