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Finding the Fourth Proportional to 361,632.76, 499,082.70 and 200,538.28

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Solution

The fourth proportional to 361,632.76, 499,082.70 and 200,538.28 is: 276,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,632.76 : 499,082.70 = 200,538.28 : x
  2. Step 2: Convert to fraction form
    361,632.76/499,082.70 = 200,538.28/x
  3. Step 3: Cross multiply
    361,632.76x = 499,082.70 × 200,538.28
  4. Step 4: Simplify right side
    361,632.76x = 100,085,186,235.76
  5. Step 5: Solve for x
    x = 100,085,186,235.76/361,632.76
  6. Step 6: Final answer
    x = 276,759.18

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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.