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Finding the Fourth Proportional to 326,576.09, 450,650.13 and 183,308.46

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Solution

The fourth proportional to 326,576.09, 450,650.13 and 183,308.46 is: 252,951.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,576.09 : 450,650.13 = 183,308.46 : x
  2. Step 2: Convert to fraction form
    326,576.09/450,650.13 = 183,308.46/x
  3. Step 3: Cross multiply
    326,576.09x = 450,650.13 × 183,308.46
  4. Step 4: Simplify right side
    326,576.09x = 82,607,978,951.76
  5. Step 5: Solve for x
    x = 82,607,978,951.76/326,576.09
  6. Step 6: Final answer
    x = 252,951.70

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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.