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Finding the Fourth Proportional to 311,426.40, 466,966.80 and 124,226.40

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Solution

The fourth proportional to 311,426.40, 466,966.80 and 124,226.40 is: 186,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,426.40 : 466,966.80 = 124,226.40 : x
  2. Step 2: Convert to fraction form
    311,426.40/466,966.80 = 124,226.40/x
  3. Step 3: Cross multiply
    311,426.40x = 466,966.80 × 124,226.40
  4. Step 4: Simplify right side
    311,426.40x = 58,009,604,483.52
  5. Step 5: Solve for x
    x = 58,009,604,483.52/311,426.40
  6. Step 6: Final answer
    x = 186,270.67

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