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Finding the Fourth Proportional to 326,877.17, 490,315.77 and 116,367.48

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Solution

The fourth proportional to 326,877.17, 490,315.77 and 116,367.48 is: 174,551.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,877.17 : 490,315.77 = 116,367.48 : x
  2. Step 2: Convert to fraction form
    326,877.17/490,315.77 = 116,367.48/x
  3. Step 3: Cross multiply
    326,877.17x = 490,315.77 × 116,367.48
  4. Step 4: Simplify right side
    326,877.17x = 57,056,810,559.16
  5. Step 5: Solve for x
    x = 57,056,810,559.16/326,877.17
  6. Step 6: Final answer
    x = 174,551.23

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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.