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Finding the Fourth Proportional to 307,543.40, 461,315.10 and 188,829.80

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Solution

The fourth proportional to 307,543.40, 461,315.10 and 188,829.80 is: 283,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,543.40 : 461,315.10 = 188,829.80 : x
  2. Step 2: Convert to fraction form
    307,543.40/461,315.10 = 188,829.80/x
  3. Step 3: Cross multiply
    307,543.40x = 461,315.10 × 188,829.80
  4. Step 4: Simplify right side
    307,543.40x = 87,110,038,069.98
  5. Step 5: Solve for x
    x = 87,110,038,069.98/307,543.40
  6. Step 6: Final answer
    x = 283,244.70

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