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Finding the Fourth Proportional to 326,885.31, 491,066.11 and 193,852.83

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Solution

The fourth proportional to 326,885.31, 491,066.11 and 193,852.83 is: 291,216.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,885.31 : 491,066.11 = 193,852.83 : x
  2. Step 2: Convert to fraction form
    326,885.31/491,066.11 = 193,852.83/x
  3. Step 3: Cross multiply
    326,885.31x = 491,066.11 × 193,852.83
  4. Step 4: Simplify right side
    326,885.31x = 95,194,557,224.41
  5. Step 5: Solve for x
    x = 95,194,557,224.41/326,885.31
  6. Step 6: Final answer
    x = 291,216.99

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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.