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Finding the Fourth Proportional to 488,455.52, 674,299.49 and 327,415.77

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Solution

The fourth proportional to 488,455.52, 674,299.49 and 327,415.77 is: 451,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,455.52 : 674,299.49 = 327,415.77 : x
  2. Step 2: Convert to fraction form
    488,455.52/674,299.49 = 327,415.77/x
  3. Step 3: Cross multiply
    488,455.52x = 674,299.49 × 327,415.77
  4. Step 4: Simplify right side
    488,455.52x = 220,776,285,091.88
  5. Step 5: Solve for x
    x = 220,776,285,091.88/488,455.52
  6. Step 6: Final answer
    x = 451,988.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.