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Finding the Fourth Proportional to 453,190.73, 679,647.15 and 149,528.84

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Solution

The fourth proportional to 453,190.73, 679,647.15 and 149,528.84 is: 224,247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,190.73 : 679,647.15 = 149,528.84 : x
  2. Step 2: Convert to fraction form
    453,190.73/679,647.15 = 149,528.84/x
  3. Step 3: Cross multiply
    453,190.73x = 679,647.15 × 149,528.84
  4. Step 4: Simplify right side
    453,190.73x = 101,626,846,550.57
  5. Step 5: Solve for x
    x = 101,626,846,550.57/453,190.73
  6. Step 6: Final answer
    x = 224,247.41

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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.