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Finding the Fourth Proportional to 557,842.68, 836,819.37 and 178,668.18

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Solution

The fourth proportional to 557,842.68, 836,819.37 and 178,668.18 is: 268,020.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,842.68 : 836,819.37 = 178,668.18 : x
  2. Step 2: Convert to fraction form
    557,842.68/836,819.37 = 178,668.18/x
  3. Step 3: Cross multiply
    557,842.68x = 836,819.37 × 178,668.18
  4. Step 4: Simplify right side
    557,842.68x = 149,512,993,826.65
  5. Step 5: Solve for x
    x = 149,512,993,826.65/557,842.68
  6. Step 6: Final answer
    x = 268,020.00

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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.