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Finding the Fourth Proportional to 465,786.15, 697,788.34 and 390,367.22

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Solution

The fourth proportional to 465,786.15, 697,788.34 and 390,367.22 is: 584,804.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,786.15 : 697,788.34 = 390,367.22 : x
  2. Step 2: Convert to fraction form
    465,786.15/697,788.34 = 390,367.22/x
  3. Step 3: Cross multiply
    465,786.15x = 697,788.34 × 390,367.22
  4. Step 4: Simplify right side
    465,786.15x = 272,393,689,969.36
  5. Step 5: Solve for x
    x = 272,393,689,969.36/465,786.15
  6. Step 6: Final answer
    x = 584,804.19

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