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Finding the Fourth Proportional to 326,590.80, 450,664.18 and 183,318

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Solution

The fourth proportional to 326,590.80, 450,664.18 and 183,318 is: 252,961.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,590.80 : 450,664.18 = 183,318 : x
  2. Step 2: Convert to fraction form
    326,590.80/450,664.18 = 183,318/x
  3. Step 3: Cross multiply
    326,590.80x = 450,664.18 × 183,318
  4. Step 4: Simplify right side
    326,590.80x = 82,614,856,149.24
  5. Step 5: Solve for x
    x = 82,614,856,149.24/326,590.80
  6. Step 6: Final answer
    x = 252,961.37

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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.