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Finding the Fourth Proportional to 583,633.72, 805,414.50 and 315,361.72

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Solution

The fourth proportional to 583,633.72, 805,414.50 and 315,361.72 is: 435,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,633.72 : 805,414.50 = 315,361.72 : x
  2. Step 2: Convert to fraction form
    583,633.72/805,414.50 = 315,361.72/x
  3. Step 3: Cross multiply
    583,633.72x = 805,414.50 × 315,361.72
  4. Step 4: Simplify right side
    583,633.72x = 253,996,902,032.94
  5. Step 5: Solve for x
    x = 253,996,902,032.94/583,633.72
  6. Step 6: Final answer
    x = 435,199.16

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