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Finding the Fourth Proportional to 323,515.91, 446,453.73 and 187,630.44

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Solution

The fourth proportional to 323,515.91, 446,453.73 and 187,630.44 is: 258,931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,515.91 : 446,453.73 = 187,630.44 : x
  2. Step 2: Convert to fraction form
    323,515.91/446,453.73 = 187,630.44/x
  3. Step 3: Cross multiply
    323,515.91x = 446,453.73 × 187,630.44
  4. Step 4: Simplify right side
    323,515.91x = 83,768,308,125.34
  5. Step 5: Solve for x
    x = 83,768,308,125.34/323,515.91
  6. Step 6: Final answer
    x = 258,931.03

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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.