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Finding the Fourth Proportional to 339,762.80, 468,872.96 and 186,803.62

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Solution

The fourth proportional to 339,762.80, 468,872.96 and 186,803.62 is: 257,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,762.80 : 468,872.96 = 186,803.62 : x
  2. Step 2: Convert to fraction form
    339,762.80/468,872.96 = 186,803.62/x
  3. Step 3: Cross multiply
    339,762.80x = 468,872.96 × 186,803.62
  4. Step 4: Simplify right side
    339,762.80x = 87,587,164,141.91
  5. Step 5: Solve for x
    x = 87,587,164,141.91/339,762.80
  6. Step 6: Final answer
    x = 257,789.15

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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.