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Finding the Fourth Proportional to 355,777.92, 490,971.78 and 194,630.04

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Solution

The fourth proportional to 355,777.92, 490,971.78 and 194,630.04 is: 268,588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,777.92 : 490,971.78 = 194,630.04 : x
  2. Step 2: Convert to fraction form
    355,777.92/490,971.78 = 194,630.04/x
  3. Step 3: Cross multiply
    355,777.92x = 490,971.78 × 194,630.04
  4. Step 4: Simplify right side
    355,777.92x = 95,557,857,180.27
  5. Step 5: Solve for x
    x = 95,557,857,180.27/355,777.92
  6. Step 6: Final answer
    x = 268,588.50

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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.