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Finding the Fourth Proportional to 490,850.96, 736,277.47 and 135,866.01

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Solution

The fourth proportional to 490,850.96, 736,277.47 and 135,866.01 is: 203,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,850.96 : 736,277.47 = 135,866.01 : x
  2. Step 2: Convert to fraction form
    490,850.96/736,277.47 = 135,866.01/x
  3. Step 3: Cross multiply
    490,850.96x = 736,277.47 × 135,866.01
  4. Step 4: Simplify right side
    490,850.96x = 100,035,080,763.73
  5. Step 5: Solve for x
    x = 100,035,080,763.73/490,850.96
  6. Step 6: Final answer
    x = 203,799.30

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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.