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Finding the Fourth Proportional to 323,609.90, 446,583.74 and 180,379.03

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Solution

The fourth proportional to 323,609.90, 446,583.74 and 180,379.03 is: 248,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,609.90 : 446,583.74 = 180,379.03 : x
  2. Step 2: Convert to fraction form
    323,609.90/446,583.74 = 180,379.03/x
  3. Step 3: Cross multiply
    323,609.90x = 446,583.74 × 180,379.03
  4. Step 4: Simplify right side
    323,609.90x = 80,554,341,834.97
  5. Step 5: Solve for x
    x = 80,554,341,834.97/323,609.90
  6. Step 6: Final answer
    x = 248,924.22

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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.