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Finding the Fourth Proportional to 329,030.98, 454,093.39 and 199,939.66

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Solution

The fourth proportional to 329,030.98, 454,093.39 and 199,939.66 is: 275,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,030.98 : 454,093.39 = 199,939.66 : x
  2. Step 2: Convert to fraction form
    329,030.98/454,093.39 = 199,939.66/x
  3. Step 3: Cross multiply
    329,030.98x = 454,093.39 × 199,939.66
  4. Step 4: Simplify right side
    329,030.98x = 90,791,277,119.54
  5. Step 5: Solve for x
    x = 90,791,277,119.54/329,030.98
  6. Step 6: Final answer
    x = 275,935.35

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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.