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Finding the Fourth Proportional to 329,218.56, 454,369.77 and 193,326.87

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Solution

The fourth proportional to 329,218.56, 454,369.77 and 193,326.87 is: 266,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,218.56 : 454,369.77 = 193,326.87 : x
  2. Step 2: Convert to fraction form
    329,218.56/454,369.77 = 193,326.87/x
  3. Step 3: Cross multiply
    329,218.56x = 454,369.77 × 193,326.87
  4. Step 4: Simplify right side
    329,218.56x = 87,841,885,456.72
  5. Step 5: Solve for x
    x = 87,841,885,456.72/329,218.56
  6. Step 6: Final answer
    x = 266,819.36

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1.5x scale

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.