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Finding the Fourth Proportional to 570,603.60, 855,905.40 and 404,715.60

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Solution

The fourth proportional to 570,603.60, 855,905.40 and 404,715.60 is: 607,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,603.60 : 855,905.40 = 404,715.60 : x
  2. Step 2: Convert to fraction form
    570,603.60/855,905.40 = 404,715.60/x
  3. Step 3: Cross multiply
    570,603.60x = 855,905.40 × 404,715.60
  4. Step 4: Simplify right side
    570,603.60x = 346,398,267,504.24
  5. Step 5: Solve for x
    x = 346,398,267,504.24/570,603.60
  6. Step 6: Final answer
    x = 607,073.40

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