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Finding the Fourth Proportional to 353,161.64, 487,360.58 and 192,016.73

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Solution

The fourth proportional to 353,161.64, 487,360.58 and 192,016.73 is: 264,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,161.64 : 487,360.58 = 192,016.73 : x
  2. Step 2: Convert to fraction form
    353,161.64/487,360.58 = 192,016.73/x
  3. Step 3: Cross multiply
    353,161.64x = 487,360.58 × 192,016.73
  4. Step 4: Simplify right side
    353,161.64x = 93,581,381,505.62
  5. Step 5: Solve for x
    x = 93,581,381,505.62/353,161.64
  6. Step 6: Final answer
    x = 264,981.73

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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.