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Finding the Fourth Proportional to 490,466.88, 735,583.68 and 135,473.04

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Solution

The fourth proportional to 490,466.88, 735,583.68 and 135,473.04 is: 203,177.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,466.88 : 735,583.68 = 135,473.04 : x
  2. Step 2: Convert to fraction form
    490,466.88/735,583.68 = 135,473.04/x
  3. Step 3: Cross multiply
    490,466.88x = 735,583.68 × 135,473.04
  4. Step 4: Simplify right side
    490,466.88x = 99,651,757,303.99
  5. Step 5: Solve for x
    x = 99,651,757,303.99/490,466.88
  6. Step 6: Final answer
    x = 203,177.34

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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.