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Finding the Fourth Proportional to 448,148.40, 673,000.20 and 238,196.40

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Solution

The fourth proportional to 448,148.40, 673,000.20 and 238,196.40 is: 357,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,148.40 : 673,000.20 = 238,196.40 : x
  2. Step 2: Convert to fraction form
    448,148.40/673,000.20 = 238,196.40/x
  3. Step 3: Cross multiply
    448,148.40x = 673,000.20 × 238,196.40
  4. Step 4: Simplify right side
    448,148.40x = 160,306,224,839.28
  5. Step 5: Solve for x
    x = 160,306,224,839.28/448,148.40
  6. Step 6: Final answer
    x = 357,707.90

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