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Finding the Fourth Proportional to 320,793.39, 442,715.42 and 184,824.88

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Solution

The fourth proportional to 320,793.39, 442,715.42 and 184,824.88 is: 255,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,793.39 : 442,715.42 = 184,824.88 : x
  2. Step 2: Convert to fraction form
    320,793.39/442,715.42 = 184,824.88/x
  3. Step 3: Cross multiply
    320,793.39x = 442,715.42 × 184,824.88
  4. Step 4: Simplify right side
    320,793.39x = 81,824,824,375.65
  5. Step 5: Solve for x
    x = 81,824,824,375.65/320,793.39
  6. Step 6: Final answer
    x = 255,070.17

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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.