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Finding the Fourth Proportional to 488,831.90, 732,810.45 and 320,432.90

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Solution

The fourth proportional to 488,831.90, 732,810.45 and 320,432.90 is: 480,362.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,831.90 : 732,810.45 = 320,432.90 : x
  2. Step 2: Convert to fraction form
    488,831.90/732,810.45 = 320,432.90/x
  3. Step 3: Cross multiply
    488,831.90x = 732,810.45 × 320,432.90
  4. Step 4: Simplify right side
    488,831.90x = 234,816,577,643.81
  5. Step 5: Solve for x
    x = 234,816,577,643.81/488,831.90
  6. Step 6: Final answer
    x = 480,362.63

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