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Finding the Fourth Proportional to 611,041.23, 916,343.13 and 211,574.73

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Solution

The fourth proportional to 611,041.23, 916,343.13 and 211,574.73 is: 317,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,041.23 : 916,343.13 = 211,574.73 : x
  2. Step 2: Convert to fraction form
    611,041.23/916,343.13 = 211,574.73/x
  3. Step 3: Cross multiply
    611,041.23x = 916,343.13 × 211,574.73
  4. Step 4: Simplify right side
    611,041.23x = 193,875,050,317.11
  5. Step 5: Solve for x
    x = 193,875,050,317.11/611,041.23
  6. Step 6: Final answer
    x = 317,286.36

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