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Finding the Fourth Proportional to 500,671.53, 751,078.88 and 154,484.42

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Solution

The fourth proportional to 500,671.53, 751,078.88 and 154,484.42 is: 231,748.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,671.53 : 751,078.88 = 154,484.42 : x
  2. Step 2: Convert to fraction form
    500,671.53/751,078.88 = 154,484.42/x
  3. Step 3: Cross multiply
    500,671.53x = 751,078.88 × 154,484.42
  4. Step 4: Simplify right side
    500,671.53x = 116,029,981,202.55
  5. Step 5: Solve for x
    x = 116,029,981,202.55/500,671.53
  6. Step 6: Final answer
    x = 231,748.71

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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.