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Finding the Fourth Proportional to 431,368.40, 647,046.52 and 194,710.70

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Solution

The fourth proportional to 431,368.40, 647,046.52 and 194,710.70 is: 292,063.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,368.40 : 647,046.52 = 194,710.70 : x
  2. Step 2: Convert to fraction form
    431,368.40/647,046.52 = 194,710.70/x
  3. Step 3: Cross multiply
    431,368.40x = 647,046.52 × 194,710.70
  4. Step 4: Simplify right side
    431,368.40x = 125,986,880,841.76
  5. Step 5: Solve for x
    x = 125,986,880,841.76/431,368.40
  6. Step 6: Final answer
    x = 292,063.31

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