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Finding the Fourth Proportional to 318,559.91, 439,562.30 and 182,567.66

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Solution

The fourth proportional to 318,559.91, 439,562.30 and 182,567.66 is: 251,914.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,559.91 : 439,562.30 = 182,567.66 : x
  2. Step 2: Convert to fraction form
    318,559.91/439,562.30 = 182,567.66/x
  3. Step 3: Cross multiply
    318,559.91x = 439,562.30 × 182,567.66
  4. Step 4: Simplify right side
    318,559.91x = 80,249,857,424.57
  5. Step 5: Solve for x
    x = 80,249,857,424.57/318,559.91
  6. Step 6: Final answer
    x = 251,914.49

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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.