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Finding the Fourth Proportional to 324,668.30, 447,752.15 and 203,820.82

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Solution

The fourth proportional to 324,668.30, 447,752.15 and 203,820.82 is: 281,090.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,668.30 : 447,752.15 = 203,820.82 : x
  2. Step 2: Convert to fraction form
    324,668.30/447,752.15 = 203,820.82/x
  3. Step 3: Cross multiply
    324,668.30x = 447,752.15 × 203,820.82
  4. Step 4: Simplify right side
    324,668.30x = 91,261,210,369.76
  5. Step 5: Solve for x
    x = 91,261,210,369.76/324,668.30
  6. Step 6: Final answer
    x = 281,090.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.