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Finding the Fourth Proportional to 326,348.52, 450,353.82 and 181,145.77

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Solution

The fourth proportional to 326,348.52, 450,353.82 and 181,145.77 is: 249,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,348.52 : 450,353.82 = 181,145.77 : x
  2. Step 2: Convert to fraction form
    326,348.52/450,353.82 = 181,145.77/x
  3. Step 3: Cross multiply
    326,348.52x = 450,353.82 × 181,145.77
  4. Step 4: Simplify right side
    326,348.52x = 81,579,689,049.75
  5. Step 5: Solve for x
    x = 81,579,689,049.75/326,348.52
  6. Step 6: Final answer
    x = 249,977.20

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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.