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Finding the Fourth Proportional to 329,606.70, 494,410.05 and 92,946.30

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Solution

The fourth proportional to 329,606.70, 494,410.05 and 92,946.30 is: 139,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,606.70 : 494,410.05 = 92,946.30 : x
  2. Step 2: Convert to fraction form
    329,606.70/494,410.05 = 92,946.30/x
  3. Step 3: Cross multiply
    329,606.70x = 494,410.05 × 92,946.30
  4. Step 4: Simplify right side
    329,606.70x = 45,953,584,830.32
  5. Step 5: Solve for x
    x = 45,953,584,830.32/329,606.70
  6. Step 6: Final answer
    x = 139,419.45

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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.