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Finding the Fourth Proportional to 405,904.70, 610,023.45 and 354,583.10

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Solution

The fourth proportional to 405,904.70, 610,023.45 and 354,583.10 is: 532,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,904.70 : 610,023.45 = 354,583.10 : x
  2. Step 2: Convert to fraction form
    405,904.70/610,023.45 = 354,583.10/x
  3. Step 3: Cross multiply
    405,904.70x = 610,023.45 × 354,583.10
  4. Step 4: Simplify right side
    405,904.70x = 216,304,005,973.70
  5. Step 5: Solve for x
    x = 216,304,005,973.70/405,904.70
  6. Step 6: Final answer
    x = 532,893.57

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