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Finding the Fourth Proportional to 329,862.66, 494,725.95 and 161,209.86

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Solution

The fourth proportional to 329,862.66, 494,725.95 and 161,209.86 is: 241,781.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,862.66 : 494,725.95 = 161,209.86 : x
  2. Step 2: Convert to fraction form
    329,862.66/494,725.95 = 161,209.86/x
  3. Step 3: Cross multiply
    329,862.66x = 494,725.95 × 161,209.86
  4. Step 4: Simplify right side
    329,862.66x = 79,754,701,137.87
  5. Step 5: Solve for x
    x = 79,754,701,137.87/329,862.66
  6. Step 6: Final answer
    x = 241,781.54

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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.