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Finding the Fourth Proportional to 356,956.11, 492,600.18 and 195,812.46

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Solution

The fourth proportional to 356,956.11, 492,600.18 and 195,812.46 is: 270,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,956.11 : 492,600.18 = 195,812.46 : x
  2. Step 2: Convert to fraction form
    356,956.11/492,600.18 = 195,812.46/x
  3. Step 3: Cross multiply
    356,956.11x = 492,600.18 × 195,812.46
  4. Step 4: Simplify right side
    356,956.11x = 96,457,253,042.24
  5. Step 5: Solve for x
    x = 96,457,253,042.24/356,956.11
  6. Step 6: Final answer
    x = 270,221.61

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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.