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Finding the Fourth Proportional to 316,192.92, 436,341.44 and 188,843.88

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Solution

The fourth proportional to 316,192.92, 436,341.44 and 188,843.88 is: 260,601.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,192.92 : 436,341.44 = 188,843.88 : x
  2. Step 2: Convert to fraction form
    316,192.92/436,341.44 = 188,843.88/x
  3. Step 3: Cross multiply
    316,192.92x = 436,341.44 × 188,843.88
  4. Step 4: Simplify right side
    316,192.92x = 82,400,410,534.39
  5. Step 5: Solve for x
    x = 82,400,410,534.39/316,192.92
  6. Step 6: Final answer
    x = 260,601.69

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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.