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Finding the Fourth Proportional to 361,811.12, 499,330.01 and 200,718.06

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Solution

The fourth proportional to 361,811.12, 499,330.01 and 200,718.06 is: 277,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,811.12 : 499,330.01 = 200,718.06 : x
  2. Step 2: Convert to fraction form
    361,811.12/499,330.01 = 200,718.06/x
  3. Step 3: Cross multiply
    361,811.12x = 499,330.01 × 200,718.06
  4. Step 4: Simplify right side
    361,811.12x = 100,224,550,906.98
  5. Step 5: Solve for x
    x = 100,224,550,906.98/361,811.12
  6. Step 6: Final answer
    x = 277,007.93

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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.