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Finding the Fourth Proportional to 622,717.80, 933,947.10 and 173,322.60

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Solution

The fourth proportional to 622,717.80, 933,947.10 and 173,322.60 is: 259,947.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,717.80 : 933,947.10 = 173,322.60 : x
  2. Step 2: Convert to fraction form
    622,717.80/933,947.10 = 173,322.60/x
  3. Step 3: Cross multiply
    622,717.80x = 933,947.10 × 173,322.60
  4. Step 4: Simplify right side
    622,717.80x = 161,874,139,634.46
  5. Step 5: Solve for x
    x = 161,874,139,634.46/622,717.80
  6. Step 6: Final answer
    x = 259,947.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.