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Finding the Fourth Proportional to 324,368.81, 443,738.82 and 323,002.60

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Solution

The fourth proportional to 324,368.81, 443,738.82 and 323,002.60 is: 441,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,368.81 : 443,738.82 = 323,002.60 : x
  2. Step 2: Convert to fraction form
    324,368.81/443,738.82 = 323,002.60/x
  3. Step 3: Cross multiply
    324,368.81x = 443,738.82 × 323,002.60
  4. Step 4: Simplify right side
    324,368.81x = 143,328,792,682.85
  5. Step 5: Solve for x
    x = 143,328,792,682.85/324,368.81
  6. Step 6: Final answer
    x = 441,869.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.