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Finding the Fourth Proportional to 693,238.25, 956,504.81 and 402,677.21

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Solution

The fourth proportional to 693,238.25, 956,504.81 and 402,677.21 is: 555,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,238.25 : 956,504.81 = 402,677.21 : x
  2. Step 2: Convert to fraction form
    693,238.25/956,504.81 = 402,677.21/x
  3. Step 3: Cross multiply
    693,238.25x = 956,504.81 × 402,677.21
  4. Step 4: Simplify right side
    693,238.25x = 385,162,686,228.99
  5. Step 5: Solve for x
    x = 385,162,686,228.99/693,238.25
  6. Step 6: Final answer
    x = 555,599.30

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