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Finding the Fourth Proportional to 330,798,673.92, 496,197,978.24 and 88,455,279.36

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Solution

The fourth proportional to 330,798,673.92, 496,197,978.24 and 88,455,279.36 is: 132,682,910.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,798,673.92 : 496,197,978.24 = 88,455,279.36 : x
  2. Step 2: Convert to fraction form
    330,798,673.92/496,197,978.24 = 88,455,279.36/x
  3. Step 3: Cross multiply
    330,798,673.92x = 496,197,978.24 × 88,455,279.36
  4. Step 4: Simplify right side
    330,798,673.92x = 43,891,330,783,086,400
  5. Step 5: Solve for x
    x = 43,891,330,783,086,400/330,798,673.92
  6. Step 6: Final answer
    x = 132,682,910.31

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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.