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Finding the Fourth Proportional to 325,842.70, 488,764.05 and 302,223.10

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Solution

The fourth proportional to 325,842.70, 488,764.05 and 302,223.10 is: 453,334.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,842.70 : 488,764.05 = 302,223.10 : x
  2. Step 2: Convert to fraction form
    325,842.70/488,764.05 = 302,223.10/x
  3. Step 3: Cross multiply
    325,842.70x = 488,764.05 × 302,223.10
  4. Step 4: Simplify right side
    325,842.70x = 147,715,786,359.56
  5. Step 5: Solve for x
    x = 147,715,786,359.56/325,842.70
  6. Step 6: Final answer
    x = 453,334.65

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Similar ratio
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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.