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Finding the Fourth Proportional to 303,310.80, 454,674.60 and 235,805.40

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Solution

The fourth proportional to 303,310.80, 454,674.60 and 235,805.40 is: 353,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,310.80 : 454,674.60 = 235,805.40 : x
  2. Step 2: Convert to fraction form
    303,310.80/454,674.60 = 235,805.40/x
  3. Step 3: Cross multiply
    303,310.80x = 454,674.60 × 235,805.40
  4. Step 4: Simplify right side
    303,310.80x = 107,214,725,922.84
  5. Step 5: Solve for x
    x = 107,214,725,922.84/303,310.80
  6. Step 6: Final answer
    x = 353,481.40

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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.