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Finding the Fourth Proportional to 536,402.31, 803,855.32 and 403,126.53

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Solution

The fourth proportional to 536,402.31, 803,855.32 and 403,126.53 is: 604,127.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,402.31 : 803,855.32 = 403,126.53 : x
  2. Step 2: Convert to fraction form
    536,402.31/803,855.32 = 403,126.53/x
  3. Step 3: Cross multiply
    536,402.31x = 803,855.32 × 403,126.53
  4. Step 4: Simplify right side
    536,402.31x = 324,055,405,773.64
  5. Step 5: Solve for x
    x = 324,055,405,773.64/536,402.31
  6. Step 6: Final answer
    x = 604,127.54

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