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Finding the Fourth Proportional to 453,158.19, 678,258.76 and 333,183.33

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Solution

The fourth proportional to 453,158.19, 678,258.76 and 333,183.33 is: 498,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,158.19 : 678,258.76 = 333,183.33 : x
  2. Step 2: Convert to fraction form
    453,158.19/678,258.76 = 333,183.33/x
  3. Step 3: Cross multiply
    453,158.19x = 678,258.76 × 333,183.33
  4. Step 4: Simplify right side
    453,158.19x = 225,984,508,034.22
  5. Step 5: Solve for x
    x = 225,984,508,034.22/453,158.19
  6. Step 6: Final answer
    x = 498,687.91

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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.