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Finding the Fourth Proportional to 361,172.58, 498,403.50 and 200,018.04

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Solution

The fourth proportional to 361,172.58, 498,403.50 and 200,018.04 is: 276,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,172.58 : 498,403.50 = 200,018.04 : x
  2. Step 2: Convert to fraction form
    361,172.58/498,403.50 = 200,018.04/x
  3. Step 3: Cross multiply
    361,172.58x = 498,403.50 × 200,018.04
  4. Step 4: Simplify right side
    361,172.58x = 99,689,691,199.14
  5. Step 5: Solve for x
    x = 99,689,691,199.14/361,172.58
  6. Step 6: Final answer
    x = 276,016.78

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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.