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Finding the Fourth Proportional to 318,337, 439,367.45 and 182,462.02

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Solution

The fourth proportional to 318,337, 439,367.45 and 182,462.02 is: 251,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,337 : 439,367.45 = 182,462.02 : x
  2. Step 2: Convert to fraction form
    318,337/439,367.45 = 182,462.02/x
  3. Step 3: Cross multiply
    318,337x = 439,367.45 × 182,462.02
  4. Step 4: Simplify right side
    318,337x = 80,167,872,449.25
  5. Step 5: Solve for x
    x = 80,167,872,449.25/318,337
  6. Step 6: Final answer
    x = 251,833.35

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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.