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Finding the Fourth Proportional to 589,722.78, 883,287.57 and 487,360.74

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Solution

The fourth proportional to 589,722.78, 883,287.57 and 487,360.74 is: 729,969.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,722.78 : 883,287.57 = 487,360.74 : x
  2. Step 2: Convert to fraction form
    589,722.78/883,287.57 = 487,360.74/x
  3. Step 3: Cross multiply
    589,722.78x = 883,287.57 × 487,360.74
  4. Step 4: Simplify right side
    589,722.78x = 430,479,683,519.42
  5. Step 5: Solve for x
    x = 430,479,683,519.42/589,722.78
  6. Step 6: Final answer
    x = 729,969.57

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