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Finding the Fourth Proportional to 488,478.24, 674,103.60 and 273,620.88

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Solution

The fourth proportional to 488,478.24, 674,103.60 and 273,620.88 is: 377,598.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,478.24 : 674,103.60 = 273,620.88 : x
  2. Step 2: Convert to fraction form
    488,478.24/674,103.60 = 273,620.88/x
  3. Step 3: Cross multiply
    488,478.24x = 674,103.60 × 273,620.88
  4. Step 4: Simplify right side
    488,478.24x = 184,448,820,243.17
  5. Step 5: Solve for x
    x = 184,448,820,243.17/488,478.24
  6. Step 6: Final answer
    x = 377,598.85

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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.