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Finding the Fourth Proportional to 329,025.88, 493,462.14 and 92,391.40

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Solution

The fourth proportional to 329,025.88, 493,462.14 and 92,391.40 is: 138,565.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,025.88 : 493,462.14 = 92,391.40 : x
  2. Step 2: Convert to fraction form
    329,025.88/493,462.14 = 92,391.40/x
  3. Step 3: Cross multiply
    329,025.88x = 493,462.14 × 92,391.40
  4. Step 4: Simplify right side
    329,025.88x = 45,591,657,961.60
  5. Step 5: Solve for x
    x = 45,591,657,961.60/329,025.88
  6. Step 6: Final answer
    x = 138,565.57

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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.