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Finding the Fourth Proportional to 328,520.10, 492,780.15 and 223,544.10

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Solution

The fourth proportional to 328,520.10, 492,780.15 and 223,544.10 is: 335,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,520.10 : 492,780.15 = 223,544.10 : x
  2. Step 2: Convert to fraction form
    328,520.10/492,780.15 = 223,544.10/x
  3. Step 3: Cross multiply
    328,520.10x = 492,780.15 × 223,544.10
  4. Step 4: Simplify right side
    328,520.10x = 110,158,095,129.62
  5. Step 5: Solve for x
    x = 110,158,095,129.62/328,520.10
  6. Step 6: Final answer
    x = 335,316.15

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