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Finding the Fourth Proportional to 329,513.22, 454,699.98 and 191,717.64

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Solution

The fourth proportional to 329,513.22, 454,699.98 and 191,717.64 is: 264,553.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,513.22 : 454,699.98 = 191,717.64 : x
  2. Step 2: Convert to fraction form
    329,513.22/454,699.98 = 191,717.64/x
  3. Step 3: Cross multiply
    329,513.22x = 454,699.98 × 191,717.64
  4. Step 4: Simplify right side
    329,513.22x = 87,174,007,073.65
  5. Step 5: Solve for x
    x = 87,174,007,073.65/329,513.22
  6. Step 6: Final answer
    x = 264,553.90

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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.