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Finding the Fourth Proportional to 490,012.42, 734,887.41 and 134,942.04

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Solution

The fourth proportional to 490,012.42, 734,887.41 and 134,942.04 is: 202,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,012.42 : 734,887.41 = 134,942.04 : x
  2. Step 2: Convert to fraction form
    490,012.42/734,887.41 = 134,942.04/x
  3. Step 3: Cross multiply
    490,012.42x = 734,887.41 × 134,942.04
  4. Step 4: Simplify right side
    490,012.42x = 99,167,206,275.72
  5. Step 5: Solve for x
    x = 99,167,206,275.72/490,012.42
  6. Step 6: Final answer
    x = 202,376.92

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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.