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Finding the Fourth Proportional to 656,968.32, 985,443.84 and 158,328

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Solution

The fourth proportional to 656,968.32, 985,443.84 and 158,328 is: 237,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,968.32 : 985,443.84 = 158,328 : x
  2. Step 2: Convert to fraction form
    656,968.32/985,443.84 = 158,328/x
  3. Step 3: Cross multiply
    656,968.32x = 985,443.84 × 158,328
  4. Step 4: Simplify right side
    656,968.32x = 156,023,352,299.52
  5. Step 5: Solve for x
    x = 156,023,352,299.52/656,968.32
  6. Step 6: Final answer
    x = 237,489.92

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