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Finding the Fourth Proportional to 628,897.98, 943,335.81 and 155,583.30

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Solution

The fourth proportional to 628,897.98, 943,335.81 and 155,583.30 is: 233,372.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,897.98 : 943,335.81 = 155,583.30 : x
  2. Step 2: Convert to fraction form
    628,897.98/943,335.81 = 155,583.30/x
  3. Step 3: Cross multiply
    628,897.98x = 943,335.81 × 155,583.30
  4. Step 4: Simplify right side
    628,897.98x = 146,767,298,327.97
  5. Step 5: Solve for x
    x = 146,767,298,327.97/628,897.98
  6. Step 6: Final answer
    x = 233,372.19

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