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Finding the Fourth Proportional to 376,221.92, 519,151.88 and 223,233.77

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Solution

The fourth proportional to 376,221.92, 519,151.88 and 223,233.77 is: 308,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,221.92 : 519,151.88 = 223,233.77 : x
  2. Step 2: Convert to fraction form
    376,221.92/519,151.88 = 223,233.77/x
  3. Step 3: Cross multiply
    376,221.92x = 519,151.88 × 223,233.77
  4. Step 4: Simplify right side
    376,221.92x = 115,892,233,230.95
  5. Step 5: Solve for x
    x = 115,892,233,230.95/376,221.92
  6. Step 6: Final answer
    x = 308,042.22

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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.