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Finding the Fourth Proportional to 409,886.10, 614,915.55 and 173,106.90

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Solution

The fourth proportional to 409,886.10, 614,915.55 and 173,106.90 is: 259,696.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,886.10 : 614,915.55 = 173,106.90 : x
  2. Step 2: Convert to fraction form
    409,886.10/614,915.55 = 173,106.90/x
  3. Step 3: Cross multiply
    409,886.10x = 614,915.55 × 173,106.90
  4. Step 4: Simplify right side
    409,886.10x = 106,446,124,622.30
  5. Step 5: Solve for x
    x = 106,446,124,622.30/409,886.10
  6. Step 6: Final answer
    x = 259,696.84

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