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Finding the Fourth Proportional to 477,218, 715,831.32 and 144,794

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Solution

The fourth proportional to 477,218, 715,831.32 and 144,794 is: 217,192.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,218 : 715,831.32 = 144,794 : x
  2. Step 2: Convert to fraction form
    477,218/715,831.32 = 144,794/x
  3. Step 3: Cross multiply
    477,218x = 715,831.32 × 144,794
  4. Step 4: Simplify right side
    477,218x = 103,648,080,148.08
  5. Step 5: Solve for x
    x = 103,648,080,148.08/477,218
  6. Step 6: Final answer
    x = 217,192.31

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