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Finding the Fourth Proportional to 339,957.20, 510,328.65 and 182,493.20

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Solution

The fourth proportional to 339,957.20, 510,328.65 and 182,493.20 is: 273,950.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,957.20 : 510,328.65 = 182,493.20 : x
  2. Step 2: Convert to fraction form
    339,957.20/510,328.65 = 182,493.20/x
  3. Step 3: Cross multiply
    339,957.20x = 510,328.65 × 182,493.20
  4. Step 4: Simplify right side
    339,957.20x = 93,131,508,390.18
  5. Step 5: Solve for x
    x = 93,131,508,390.18/339,957.20
  6. Step 6: Final answer
    x = 273,950.69

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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.