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Finding the Fourth Proportional to 404,944.62, 607,517.28 and 120,633.90

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Solution

The fourth proportional to 404,944.62, 607,517.28 and 120,633.90 is: 180,980.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,944.62 : 607,517.28 = 120,633.90 : x
  2. Step 2: Convert to fraction form
    404,944.62/607,517.28 = 120,633.90/x
  3. Step 3: Cross multiply
    404,944.62x = 607,517.28 × 120,633.90
  4. Step 4: Simplify right side
    404,944.62x = 73,287,178,803.79
  5. Step 5: Solve for x
    x = 73,287,178,803.79/404,944.62
  6. Step 6: Final answer
    x = 180,980.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.