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Finding the Fourth Proportional to 453,371.41, 621,673.90 and 441,561.61

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Solution

The fourth proportional to 453,371.41, 621,673.90 and 441,561.61 is: 605,480.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,371.41 : 621,673.90 = 441,561.61 : x
  2. Step 2: Convert to fraction form
    453,371.41/621,673.90 = 441,561.61/x
  3. Step 3: Cross multiply
    453,371.41x = 621,673.90 × 441,561.61
  4. Step 4: Simplify right side
    453,371.41x = 274,507,328,178.98
  5. Step 5: Solve for x
    x = 274,507,328,178.98/453,371.41
  6. Step 6: Final answer
    x = 605,480.02

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.