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Finding the Fourth Proportional to 488,798.48, 733,198.08 and 133,815.44

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Solution

The fourth proportional to 488,798.48, 733,198.08 and 133,815.44 is: 200,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,798.48 : 733,198.08 = 133,815.44 : x
  2. Step 2: Convert to fraction form
    488,798.48/733,198.08 = 133,815.44/x
  3. Step 3: Cross multiply
    488,798.48x = 733,198.08 × 133,815.44
  4. Step 4: Simplify right side
    488,798.48x = 98,113,223,682.36
  5. Step 5: Solve for x
    x = 98,113,223,682.36/488,798.48
  6. Step 6: Final answer
    x = 200,723.26

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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.