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Finding the Fourth Proportional to 327,926.54, 490,778.80 and 201,646.77

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Solution

The fourth proportional to 327,926.54, 490,778.80 and 201,646.77 is: 301,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,926.54 : 490,778.80 = 201,646.77 : x
  2. Step 2: Convert to fraction form
    327,926.54/490,778.80 = 201,646.77/x
  3. Step 3: Cross multiply
    327,926.54x = 490,778.80 × 201,646.77
  4. Step 4: Simplify right side
    327,926.54x = 98,963,959,804.48
  5. Step 5: Solve for x
    x = 98,963,959,804.48/327,926.54
  6. Step 6: Final answer
    x = 301,786.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.