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Finding the Fourth Proportional to 326,061.01, 449,491.74 and 228,969.13

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Solution

The fourth proportional to 326,061.01, 449,491.74 and 228,969.13 is: 315,645.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,061.01 : 449,491.74 = 228,969.13 : x
  2. Step 2: Convert to fraction form
    326,061.01/449,491.74 = 228,969.13/x
  3. Step 3: Cross multiply
    326,061.01x = 449,491.74 × 228,969.13
  4. Step 4: Simplify right side
    326,061.01x = 102,919,732,649.99
  5. Step 5: Solve for x
    x = 102,919,732,649.99/326,061.01
  6. Step 6: Final answer
    x = 315,645.63

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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.