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Finding the Fourth Proportional to 397,841.32, 549,067.70 and 223,440.12

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Solution

The fourth proportional to 397,841.32, 549,067.70 and 223,440.12 is: 308,373.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,841.32 : 549,067.70 = 223,440.12 : x
  2. Step 2: Convert to fraction form
    397,841.32/549,067.70 = 223,440.12/x
  3. Step 3: Cross multiply
    397,841.32x = 549,067.70 × 223,440.12
  4. Step 4: Simplify right side
    397,841.32x = 122,683,748,913.59
  5. Step 5: Solve for x
    x = 122,683,748,913.59/397,841.32
  6. Step 6: Final answer
    x = 308,373.58

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