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Finding the Fourth Proportional to 326,951.08, 451,234.18 and 199,599.40

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Solution

The fourth proportional to 326,951.08, 451,234.18 and 199,599.40 is: 275,472.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,951.08 : 451,234.18 = 199,599.40 : x
  2. Step 2: Convert to fraction form
    326,951.08/451,234.18 = 199,599.40/x
  3. Step 3: Cross multiply
    326,951.08x = 451,234.18 × 199,599.40
  4. Step 4: Simplify right side
    326,951.08x = 90,066,071,587.49
  5. Step 5: Solve for x
    x = 90,066,071,587.49/326,951.08
  6. Step 6: Final answer
    x = 275,472.62

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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.