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Finding the Fourth Proportional to 463,651.80, 695,477.70 and 402,826.20

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Solution

The fourth proportional to 463,651.80, 695,477.70 and 402,826.20 is: 604,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,651.80 : 695,477.70 = 402,826.20 : x
  2. Step 2: Convert to fraction form
    463,651.80/695,477.70 = 402,826.20/x
  3. Step 3: Cross multiply
    463,651.80x = 695,477.70 × 402,826.20
  4. Step 4: Simplify right side
    463,651.80x = 280,156,639,075.74
  5. Step 5: Solve for x
    x = 280,156,639,075.74/463,651.80
  6. Step 6: Final answer
    x = 604,239.30

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