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Finding the Fourth Proportional to 371,432.20, 557,466.40 and 368,636.48

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Solution

The fourth proportional to 371,432.20, 557,466.40 and 368,636.48 is: 553,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,432.20 : 557,466.40 = 368,636.48 : x
  2. Step 2: Convert to fraction form
    371,432.20/557,466.40 = 368,636.48/x
  3. Step 3: Cross multiply
    371,432.20x = 557,466.40 × 368,636.48
  4. Step 4: Simplify right side
    371,432.20x = 205,502,451,414.27
  5. Step 5: Solve for x
    x = 205,502,451,414.27/371,432.20
  6. Step 6: Final answer
    x = 553,270.43

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