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Finding the Fourth Proportional to 622,441.56, 933,663.12 and 173,162.64

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Solution

The fourth proportional to 622,441.56, 933,663.12 and 173,162.64 is: 259,744.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,441.56 : 933,663.12 = 173,162.64 : x
  2. Step 2: Convert to fraction form
    622,441.56/933,663.12 = 173,162.64/x
  3. Step 3: Cross multiply
    622,441.56x = 933,663.12 × 173,162.64
  4. Step 4: Simplify right side
    622,441.56x = 161,675,570,729.84
  5. Step 5: Solve for x
    x = 161,675,570,729.84/622,441.56
  6. Step 6: Final answer
    x = 259,744.18

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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.