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Finding the Fourth Proportional to 468,789.45, 703,233.58 and 153,245.85

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Solution

The fourth proportional to 468,789.45, 703,233.58 and 153,245.85 is: 229,884.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,789.45 : 703,233.58 = 153,245.85 : x
  2. Step 2: Convert to fraction form
    468,789.45/703,233.58 = 153,245.85/x
  3. Step 3: Cross multiply
    468,789.45x = 703,233.58 × 153,245.85
  4. Step 4: Simplify right side
    468,789.45x = 107,767,627,715.64
  5. Step 5: Solve for x
    x = 107,767,627,715.64/468,789.45
  6. Step 6: Final answer
    x = 229,884.93

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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.