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Finding the Fourth Proportional to 327,894.98, 454,558.59 and 309,934.26

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Solution

The fourth proportional to 327,894.98, 454,558.59 and 309,934.26 is: 429,659.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,894.98 : 454,558.59 = 309,934.26 : x
  2. Step 2: Convert to fraction form
    327,894.98/454,558.59 = 309,934.26/x
  3. Step 3: Cross multiply
    327,894.98x = 454,558.59 × 309,934.26
  4. Step 4: Simplify right side
    327,894.98x = 140,883,280,218.29
  5. Step 5: Solve for x
    x = 140,883,280,218.29/327,894.98
  6. Step 6: Final answer
    x = 429,659.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.