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Finding the Fourth Proportional to 315,955.04, 473,670.12 and 220,913.48

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Solution

The fourth proportional to 315,955.04, 473,670.12 and 220,913.48 is: 331,186.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,955.04 : 473,670.12 = 220,913.48 : x
  2. Step 2: Convert to fraction form
    315,955.04/473,670.12 = 220,913.48/x
  3. Step 3: Cross multiply
    315,955.04x = 473,670.12 × 220,913.48
  4. Step 4: Simplify right side
    315,955.04x = 104,640,114,581.22
  5. Step 5: Solve for x
    x = 104,640,114,581.22/315,955.04
  6. Step 6: Final answer
    x = 331,186.72

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