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Finding the Fourth Proportional to 371,220.69, 511,493.23 and 250,151.71

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Solution

The fourth proportional to 371,220.69, 511,493.23 and 250,151.71 is: 344,676.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,220.69 : 511,493.23 = 250,151.71 : x
  2. Step 2: Convert to fraction form
    371,220.69/511,493.23 = 250,151.71/x
  3. Step 3: Cross multiply
    371,220.69x = 511,493.23 × 250,151.71
  4. Step 4: Simplify right side
    371,220.69x = 127,950,906,137.92
  5. Step 5: Solve for x
    x = 127,950,906,137.92/371,220.69
  6. Step 6: Final answer
    x = 344,676.12

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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.