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Finding the Fourth Proportional to 417,689.64, 576,412.26 and 226,702.98

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Solution

The fourth proportional to 417,689.64, 576,412.26 and 226,702.98 is: 312,850.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,689.64 : 576,412.26 = 226,702.98 : x
  2. Step 2: Convert to fraction form
    417,689.64/576,412.26 = 226,702.98/x
  3. Step 3: Cross multiply
    417,689.64x = 576,412.26 × 226,702.98
  4. Step 4: Simplify right side
    417,689.64x = 130,674,377,050.54
  5. Step 5: Solve for x
    x = 130,674,377,050.54/417,689.64
  6. Step 6: Final answer
    x = 312,850.41

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