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Finding the Fourth Proportional to 330,634.82, 495,765.48 and 302,422.52

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Solution

The fourth proportional to 330,634.82, 495,765.48 and 302,422.52 is: 453,462.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,634.82 : 495,765.48 = 302,422.52 : x
  2. Step 2: Convert to fraction form
    330,634.82/495,765.48 = 302,422.52/x
  3. Step 3: Cross multiply
    330,634.82x = 495,765.48 × 302,422.52
  4. Step 4: Simplify right side
    330,634.82x = 149,930,645,790.61
  5. Step 5: Solve for x
    x = 149,930,645,790.61/330,634.82
  6. Step 6: Final answer
    x = 453,462.96

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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.