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Finding the Fourth Proportional to 318,324.00, 439,295.43 and 175,087.80

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Solution

The fourth proportional to 318,324.00, 439,295.43 and 175,087.80 is: 241,625.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,324.00 : 439,295.43 = 175,087.80 : x
  2. Step 2: Convert to fraction form
    318,324.00/439,295.43 = 175,087.80/x
  3. Step 3: Cross multiply
    318,324.00x = 439,295.43 × 175,087.80
  4. Step 4: Simplify right side
    318,324.00x = 76,915,269,732.17
  5. Step 5: Solve for x
    x = 76,915,269,732.17/318,324.00
  6. Step 6: Final answer
    x = 241,625.73

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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.