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Finding the Fourth Proportional to 318,151.39, 439,044.97 and 174,910.18

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Solution

The fourth proportional to 318,151.39, 439,044.97 and 174,910.18 is: 241,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,151.39 : 439,044.97 = 174,910.18 : x
  2. Step 2: Convert to fraction form
    318,151.39/439,044.97 = 174,910.18/x
  3. Step 3: Cross multiply
    318,151.39x = 439,044.97 × 174,910.18
  4. Step 4: Simplify right side
    318,151.39x = 76,793,432,535.57
  5. Step 5: Solve for x
    x = 76,793,432,535.57/318,151.39
  6. Step 6: Final answer
    x = 241,373.87

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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.