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Finding the Fourth Proportional to 318,227.85, 439,165.71 and 174,998.79

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Solution

The fourth proportional to 318,227.85, 439,165.71 and 174,998.79 is: 241,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,227.85 : 439,165.71 = 174,998.79 : x
  2. Step 2: Convert to fraction form
    318,227.85/439,165.71 = 174,998.79/x
  3. Step 3: Cross multiply
    318,227.85x = 439,165.71 × 174,998.79
  4. Step 4: Simplify right side
    318,227.85x = 76,853,467,859.49
  5. Step 5: Solve for x
    x = 76,853,467,859.49/318,227.85
  6. Step 6: Final answer
    x = 241,504.53

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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.