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Finding the Fourth Proportional to 317,531.96, 476,542.28 and 184,505.64

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Solution

The fourth proportional to 317,531.96, 476,542.28 and 184,505.64 is: 276,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,531.96 : 476,542.28 = 184,505.64 : x
  2. Step 2: Convert to fraction form
    317,531.96/476,542.28 = 184,505.64/x
  3. Step 3: Cross multiply
    317,531.96x = 476,542.28 × 184,505.64
  4. Step 4: Simplify right side
    317,531.96x = 87,924,737,435.93
  5. Step 5: Solve for x
    x = 87,924,737,435.93/317,531.96
  6. Step 6: Final answer
    x = 276,900.43

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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.