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Finding the Fourth Proportional to 302,380.43, 453,254.20 and 112,764.52

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Solution

The fourth proportional to 302,380.43, 453,254.20 and 112,764.52 is: 169,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,380.43 : 453,254.20 = 112,764.52 : x
  2. Step 2: Convert to fraction form
    302,380.43/453,254.20 = 112,764.52/x
  3. Step 3: Cross multiply
    302,380.43x = 453,254.20 × 112,764.52
  4. Step 4: Simplify right side
    302,380.43x = 51,110,992,300.98
  5. Step 5: Solve for x
    x = 51,110,992,300.98/302,380.43
  6. Step 6: Final answer
    x = 169,028.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.