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Finding the Fourth Proportional to 355,832.75, 491,044.82 and 194,685.48

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Solution

The fourth proportional to 355,832.75, 491,044.82 and 194,685.48 is: 268,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,832.75 : 491,044.82 = 194,685.48 : x
  2. Step 2: Convert to fraction form
    355,832.75/491,044.82 = 194,685.48/x
  3. Step 3: Cross multiply
    355,832.75x = 491,044.82 × 194,685.48
  4. Step 4: Simplify right side
    355,832.75x = 95,599,295,509.79
  5. Step 5: Solve for x
    x = 95,599,295,509.79/355,832.75
  6. Step 6: Final answer
    x = 268,663.57

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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.