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Finding the Fourth Proportional to 318,410.92, 439,410.72 and 182,442.16

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Solution

The fourth proportional to 318,410.92, 439,410.72 and 182,442.16 is: 251,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,410.92 : 439,410.72 = 182,442.16 : x
  2. Step 2: Convert to fraction form
    318,410.92/439,410.72 = 182,442.16/x
  3. Step 3: Cross multiply
    318,410.92x = 439,410.72 × 182,442.16
  4. Step 4: Simplify right side
    318,410.92x = 80,167,040,883.96
  5. Step 5: Solve for x
    x = 80,167,040,883.96/318,410.92
  6. Step 6: Final answer
    x = 251,772.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.