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Finding the Fourth Proportional to 326,278.73, 450,457.68 and 205,523.52

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Solution

The fourth proportional to 326,278.73, 450,457.68 and 205,523.52 is: 283,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,278.73 : 450,457.68 = 205,523.52 : x
  2. Step 2: Convert to fraction form
    326,278.73/450,457.68 = 205,523.52/x
  3. Step 3: Cross multiply
    326,278.73x = 450,457.68 × 205,523.52
  4. Step 4: Simplify right side
    326,278.73x = 92,579,648,004.63
  5. Step 5: Solve for x
    x = 92,579,648,004.63/326,278.73
  6. Step 6: Final answer
    x = 283,744.05

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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.