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Finding the Fourth Proportional to 518,274.22, 714,973.96 and 303,281.18

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Solution

The fourth proportional to 518,274.22, 714,973.96 and 303,281.18 is: 418,384.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,274.22 : 714,973.96 = 303,281.18 : x
  2. Step 2: Convert to fraction form
    518,274.22/714,973.96 = 303,281.18/x
  3. Step 3: Cross multiply
    518,274.22x = 714,973.96 × 303,281.18
  4. Step 4: Simplify right side
    518,274.22x = 216,838,146,258.07
  5. Step 5: Solve for x
    x = 216,838,146,258.07/518,274.22
  6. Step 6: Final answer
    x = 418,384.97

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