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Finding the Fourth Proportional to 329,429.89, 454,618.29 and 193,466.71

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Solution

The fourth proportional to 329,429.89, 454,618.29 and 193,466.71 is: 266,987.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,429.89 : 454,618.29 = 193,466.71 : x
  2. Step 2: Convert to fraction form
    329,429.89/454,618.29 = 193,466.71/x
  3. Step 3: Cross multiply
    329,429.89x = 454,618.29 × 193,466.71
  4. Step 4: Simplify right side
    329,429.89x = 87,953,504,872.13
  5. Step 5: Solve for x
    x = 87,953,504,872.13/329,429.89
  6. Step 6: Final answer
    x = 266,987.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.