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Finding the Fourth Proportional to 324,513.95, 447,829.26 and 181,274.00

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Solution

The fourth proportional to 324,513.95, 447,829.26 and 181,274.00 is: 250,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,513.95 : 447,829.26 = 181,274.00 : x
  2. Step 2: Convert to fraction form
    324,513.95/447,829.26 = 181,274.00/x
  3. Step 3: Cross multiply
    324,513.95x = 447,829.26 × 181,274.00
  4. Step 4: Simplify right side
    324,513.95x = 81,179,800,877.36
  5. Step 5: Solve for x
    x = 81,179,800,877.36/324,513.95
  6. Step 6: Final answer
    x = 250,158.13

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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.