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Finding the Fourth Proportional to 628,361.77, 942,400.69 and 179,073

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Solution

The fourth proportional to 628,361.77, 942,400.69 and 179,073 is: 268,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,361.77 : 942,400.69 = 179,073 : x
  2. Step 2: Convert to fraction form
    628,361.77/942,400.69 = 179,073/x
  3. Step 3: Cross multiply
    628,361.77x = 942,400.69 × 179,073
  4. Step 4: Simplify right side
    628,361.77x = 168,758,518,760.37
  5. Step 5: Solve for x
    x = 168,758,518,760.37/628,361.77
  6. Step 6: Final answer
    x = 268,569.04

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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.