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Finding the Fourth Proportional to 547,878.54, 756,147.42 and 315,300.54

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Solution

The fourth proportional to 547,878.54, 756,147.42 and 315,300.54 is: 435,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,878.54 : 756,147.42 = 315,300.54 : x
  2. Step 2: Convert to fraction form
    547,878.54/756,147.42 = 315,300.54/x
  3. Step 3: Cross multiply
    547,878.54x = 756,147.42 × 315,300.54
  4. Step 4: Simplify right side
    547,878.54x = 238,413,689,845.61
  5. Step 5: Solve for x
    x = 238,413,689,845.61/547,878.54
  6. Step 6: Final answer
    x = 435,157.93

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