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Finding the Fourth Proportional to 331,172.40, 496,609.14 and 94,458.84

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Solution

The fourth proportional to 331,172.40, 496,609.14 and 94,458.84 is: 141,645.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,172.40 : 496,609.14 = 94,458.84 : x
  2. Step 2: Convert to fraction form
    331,172.40/496,609.14 = 94,458.84/x
  3. Step 3: Cross multiply
    331,172.40x = 496,609.14 × 94,458.84
  4. Step 4: Simplify right side
    331,172.40x = 46,909,123,297.80
  5. Step 5: Solve for x
    x = 46,909,123,297.80/331,172.40
  6. Step 6: Final answer
    x = 141,645.63

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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.