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Finding the Fourth Proportional to 509,367.40, 764,051.10 and 465,821.80

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Solution

The fourth proportional to 509,367.40, 764,051.10 and 465,821.80 is: 698,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,367.40 : 764,051.10 = 465,821.80 : x
  2. Step 2: Convert to fraction form
    509,367.40/764,051.10 = 465,821.80/x
  3. Step 3: Cross multiply
    509,367.40x = 764,051.10 × 465,821.80
  4. Step 4: Simplify right side
    509,367.40x = 355,911,658,693.98
  5. Step 5: Solve for x
    x = 355,911,658,693.98/509,367.40
  6. Step 6: Final answer
    x = 698,732.70

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