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Finding the Fourth Proportional to 264,842.40, 396,680.40 and 229,850.40

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Solution

The fourth proportional to 264,842.40, 396,680.40 and 229,850.40 is: 344,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,842.40 : 396,680.40 = 229,850.40 : x
  2. Step 2: Convert to fraction form
    264,842.40/396,680.40 = 229,850.40/x
  3. Step 3: Cross multiply
    264,842.40x = 396,680.40 × 229,850.40
  4. Step 4: Simplify right side
    264,842.40x = 91,177,148,612.16
  5. Step 5: Solve for x
    x = 91,177,148,612.16/264,842.40
  6. Step 6: Final answer
    x = 344,269.45

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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.