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Finding the Fourth Proportional to 571,958.34, 789,397.02 and 317,391.54

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Solution

The fourth proportional to 571,958.34, 789,397.02 and 317,391.54 is: 438,052.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,958.34 : 789,397.02 = 317,391.54 : x
  2. Step 2: Convert to fraction form
    571,958.34/789,397.02 = 317,391.54/x
  3. Step 3: Cross multiply
    571,958.34x = 789,397.02 × 317,391.54
  4. Step 4: Simplify right side
    571,958.34x = 250,547,935,849.21
  5. Step 5: Solve for x
    x = 250,547,935,849.21/571,958.34
  6. Step 6: Final answer
    x = 438,052.77

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