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Finding the Fourth Proportional to 611,564.40, 917,346.60 and 452,132.10

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Solution

The fourth proportional to 611,564.40, 917,346.60 and 452,132.10 is: 678,198.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,564.40 : 917,346.60 = 452,132.10 : x
  2. Step 2: Convert to fraction form
    611,564.40/917,346.60 = 452,132.10/x
  3. Step 3: Cross multiply
    611,564.40x = 917,346.60 × 452,132.10
  4. Step 4: Simplify right side
    611,564.40x = 414,761,844,685.86
  5. Step 5: Solve for x
    x = 414,761,844,685.86/611,564.40
  6. Step 6: Final answer
    x = 678,198.15

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