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Finding the Fourth Proportional to 368,683.03, 508,510.93 and 278,042.81

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Solution

The fourth proportional to 368,683.03, 508,510.93 and 278,042.81 is: 383,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,683.03 : 508,510.93 = 278,042.81 : x
  2. Step 2: Convert to fraction form
    368,683.03/508,510.93 = 278,042.81/x
  3. Step 3: Cross multiply
    368,683.03x = 508,510.93 × 278,042.81
  4. Step 4: Simplify right side
    368,683.03x = 141,387,807,892.91
  5. Step 5: Solve for x
    x = 141,387,807,892.91/368,683.03
  6. Step 6: Final answer
    x = 383,494.21

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