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Finding the Fourth Proportional to 2,946,402, 4,419,590.40 and 816,480

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Solution

The fourth proportional to 2,946,402, 4,419,590.40 and 816,480 is: 1,224,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946,402 : 4,419,590.40 = 816,480 : x
  2. Step 2: Convert to fraction form
    2,946,402/4,419,590.40 = 816,480/x
  3. Step 3: Cross multiply
    2,946,402x = 4,419,590.40 × 816,480
  4. Step 4: Simplify right side
    2,946,402x = 3,608,507,169,792.00
  5. Step 5: Solve for x
    x = 3,608,507,169,792.00/2,946,402
  6. Step 6: Final answer
    x = 1,224,716.51

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