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Finding the Fourth Proportional to 379,522.40, 523,744.80 and 207,445.28

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Solution

The fourth proportional to 379,522.40, 523,744.80 and 207,445.28 is: 286,276.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,522.40 : 523,744.80 = 207,445.28 : x
  2. Step 2: Convert to fraction form
    379,522.40/523,744.80 = 207,445.28/x
  3. Step 3: Cross multiply
    379,522.40x = 523,744.80 × 207,445.28
  4. Step 4: Simplify right side
    379,522.40x = 108,648,386,684.54
  5. Step 5: Solve for x
    x = 108,648,386,684.54/379,522.40
  6. Step 6: Final answer
    x = 286,276.61

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