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Finding the Fourth Proportional to 488,904.76, 674,687.68 and 274,044.77

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Solution

The fourth proportional to 488,904.76, 674,687.68 and 274,044.77 is: 378,181.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,904.76 : 674,687.68 = 274,044.77 : x
  2. Step 2: Convert to fraction form
    488,904.76/674,687.68 = 274,044.77/x
  3. Step 3: Cross multiply
    488,904.76x = 674,687.68 × 274,044.77
  4. Step 4: Simplify right side
    488,904.76x = 184,894,628,558.96
  5. Step 5: Solve for x
    x = 184,894,628,558.96/488,904.76
  6. Step 6: Final answer
    x = 378,181.28

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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.