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Finding the Fourth Proportional to 508,688.80, 763,033.20 and 176,298.40

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Solution

The fourth proportional to 508,688.80, 763,033.20 and 176,298.40 is: 264,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,688.80 : 763,033.20 = 176,298.40 : x
  2. Step 2: Convert to fraction form
    508,688.80/763,033.20 = 176,298.40/x
  3. Step 3: Cross multiply
    508,688.80x = 763,033.20 × 176,298.40
  4. Step 4: Simplify right side
    508,688.80x = 134,521,532,306.88
  5. Step 5: Solve for x
    x = 134,521,532,306.88/508,688.80
  6. Step 6: Final answer
    x = 264,447.60

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