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Finding the Fourth Proportional to 327,888.58, 491,830.14 and 91,230.58

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Solution

The fourth proportional to 327,888.58, 491,830.14 and 91,230.58 is: 136,845.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,888.58 : 491,830.14 = 91,230.58 : x
  2. Step 2: Convert to fraction form
    327,888.58/491,830.14 = 91,230.58/x
  3. Step 3: Cross multiply
    327,888.58x = 491,830.14 × 91,230.58
  4. Step 4: Simplify right side
    327,888.58x = 44,869,948,933.68
  5. Step 5: Solve for x
    x = 44,869,948,933.68/327,888.58
  6. Step 6: Final answer
    x = 136,845.11

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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.