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Finding the Fourth Proportional to 329,024.88, 493,460.64 and 92,390.40

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Solution

The fourth proportional to 329,024.88, 493,460.64 and 92,390.40 is: 138,564.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,024.88 : 493,460.64 = 92,390.40 : x
  2. Step 2: Convert to fraction form
    329,024.88/493,460.64 = 92,390.40/x
  3. Step 3: Cross multiply
    329,024.88x = 493,460.64 × 92,390.40
  4. Step 4: Simplify right side
    329,024.88x = 45,591,025,913.86
  5. Step 5: Solve for x
    x = 45,591,025,913.86/329,024.88
  6. Step 6: Final answer
    x = 138,564.07

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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.