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Finding the Fourth Proportional to 329,887.35, 494,871.76 and 116,611.28

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Solution

The fourth proportional to 329,887.35, 494,871.76 and 116,611.28 is: 174,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,887.35 : 494,871.76 = 116,611.28 : x
  2. Step 2: Convert to fraction form
    329,887.35/494,871.76 = 116,611.28/x
  3. Step 3: Cross multiply
    329,887.35x = 494,871.76 × 116,611.28
  4. Step 4: Simplify right side
    329,887.35x = 57,707,628,896.63
  5. Step 5: Solve for x
    x = 57,707,628,896.63/329,887.35
  6. Step 6: Final answer
    x = 174,931.32

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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.