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Finding the Fourth Proportional to 496,176, 744,183.68 and 136,263.04

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Solution

The fourth proportional to 496,176, 744,183.68 and 136,263.04 is: 204,372.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,176 : 744,183.68 = 136,263.04 : x
  2. Step 2: Convert to fraction form
    496,176/744,183.68 = 136,263.04/x
  3. Step 3: Cross multiply
    496,176x = 744,183.68 × 136,263.04
  4. Step 4: Simplify right side
    496,176x = 101,404,730,555.19
  5. Step 5: Solve for x
    x = 101,404,730,555.19/496,176
  6. Step 6: Final answer
    x = 204,372.50

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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.