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Finding the Fourth Proportional to 329,627.28, 496,911.52 and 307,655.94

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Solution

The fourth proportional to 329,627.28, 496,911.52 and 307,655.94 is: 463,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,627.28 : 496,911.52 = 307,655.94 : x
  2. Step 2: Convert to fraction form
    329,627.28/496,911.52 = 307,655.94/x
  3. Step 3: Cross multiply
    329,627.28x = 496,911.52 × 307,655.94
  4. Step 4: Simplify right side
    329,627.28x = 152,877,781,299.85
  5. Step 5: Solve for x
    x = 152,877,781,299.85/329,627.28
  6. Step 6: Final answer
    x = 463,789.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.