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Finding the Fourth Proportional to 966,783.40, 1,450,175.10 and 406,911.40

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Solution

The fourth proportional to 966,783.40, 1,450,175.10 and 406,911.40 is: 610,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,783.40 : 1,450,175.10 = 406,911.40 : x
  2. Step 2: Convert to fraction form
    966,783.40/1,450,175.10 = 406,911.40/x
  3. Step 3: Cross multiply
    966,783.40x = 1,450,175.10 × 406,911.40
  4. Step 4: Simplify right side
    966,783.40x = 590,092,780,186.14
  5. Step 5: Solve for x
    x = 590,092,780,186.14/966,783.40
  6. Step 6: Final answer
    x = 610,367.10

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