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Finding the Fourth Proportional to 318,155.92, 476,195.46 and 233,893.78

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Solution

The fourth proportional to 318,155.92, 476,195.46 and 233,893.78 is: 350,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,155.92 : 476,195.46 = 233,893.78 : x
  2. Step 2: Convert to fraction form
    318,155.92/476,195.46 = 233,893.78/x
  3. Step 3: Cross multiply
    318,155.92x = 476,195.46 × 233,893.78
  4. Step 4: Simplify right side
    318,155.92x = 111,379,156,158.24
  5. Step 5: Solve for x
    x = 111,379,156,158.24/318,155.92
  6. Step 6: Final answer
    x = 350,077.27

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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.