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Finding the Fourth Proportional to 691,639.32, 1,037,209.44 and 292,311

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Solution

The fourth proportional to 691,639.32, 1,037,209.44 and 292,311 is: 438,361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,639.32 : 1,037,209.44 = 292,311 : x
  2. Step 2: Convert to fraction form
    691,639.32/1,037,209.44 = 292,311/x
  3. Step 3: Cross multiply
    691,639.32x = 1,037,209.44 × 292,311
  4. Step 4: Simplify right side
    691,639.32x = 303,187,728,615.84
  5. Step 5: Solve for x
    x = 303,187,728,615.84/691,639.32
  6. Step 6: Final answer
    x = 438,361.04

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