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Finding the Fourth Proportional to 326,509.68, 450,548.64 and 183,285.48

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Solution

The fourth proportional to 326,509.68, 450,548.64 and 183,285.48 is: 252,914.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,509.68 : 450,548.64 = 183,285.48 : x
  2. Step 2: Convert to fraction form
    326,509.68/450,548.64 = 183,285.48/x
  3. Step 3: Cross multiply
    326,509.68x = 450,548.64 × 183,285.48
  4. Step 4: Simplify right side
    326,509.68x = 82,579,023,745.75
  5. Step 5: Solve for x
    x = 82,579,023,745.75/326,509.68
  6. Step 6: Final answer
    x = 252,914.47

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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.