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Finding the Fourth Proportional to 563,840.50, 778,051.75 and 318,813.24

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Solution

The fourth proportional to 563,840.50, 778,051.75 and 318,813.24 is: 439,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,840.50 : 778,051.75 = 318,813.24 : x
  2. Step 2: Convert to fraction form
    563,840.50/778,051.75 = 318,813.24/x
  3. Step 3: Cross multiply
    563,840.50x = 778,051.75 × 318,813.24
  4. Step 4: Simplify right side
    563,840.50x = 248,053,199,305.17
  5. Step 5: Solve for x
    x = 248,053,199,305.17/563,840.50
  6. Step 6: Final answer
    x = 439,935.05

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