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Finding the Fourth Proportional to 450,597.94, 621,782.95 and 269,273.78

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Solution

The fourth proportional to 450,597.94, 621,782.95 and 269,273.78 is: 371,572.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,597.94 : 621,782.95 = 269,273.78 : x
  2. Step 2: Convert to fraction form
    450,597.94/621,782.95 = 269,273.78/x
  3. Step 3: Cross multiply
    450,597.94x = 621,782.95 × 269,273.78
  4. Step 4: Simplify right side
    450,597.94x = 167,429,845,286.05
  5. Step 5: Solve for x
    x = 167,429,845,286.05/450,597.94
  6. Step 6: Final answer
    x = 371,572.59

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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.