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Finding the Fourth Proportional to 430,878.40, 646,317.60 and 244,254.40

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Solution

The fourth proportional to 430,878.40, 646,317.60 and 244,254.40 is: 366,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,878.40 : 646,317.60 = 244,254.40 : x
  2. Step 2: Convert to fraction form
    430,878.40/646,317.60 = 244,254.40/x
  3. Step 3: Cross multiply
    430,878.40x = 646,317.60 × 244,254.40
  4. Step 4: Simplify right side
    430,878.40x = 157,865,917,597.44
  5. Step 5: Solve for x
    x = 157,865,917,597.44/430,878.40
  6. Step 6: Final answer
    x = 366,381.60

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