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Finding the Fourth Proportional to 326,589.71, 450,614.88 and 190,546.02

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Solution

The fourth proportional to 326,589.71, 450,614.88 and 190,546.02 is: 262,907.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,589.71 : 450,614.88 = 190,546.02 : x
  2. Step 2: Convert to fraction form
    326,589.71/450,614.88 = 190,546.02/x
  3. Step 3: Cross multiply
    326,589.71x = 450,614.88 × 190,546.02
  4. Step 4: Simplify right side
    326,589.71x = 85,862,871,936.78
  5. Step 5: Solve for x
    x = 85,862,871,936.78/326,589.71
  6. Step 6: Final answer
    x = 262,907.47

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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.