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Finding the Fourth Proportional to 559,134.36, 837,439.74 and 258,984.45

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Solution

The fourth proportional to 559,134.36, 837,439.74 and 258,984.45 is: 387,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,134.36 : 837,439.74 = 258,984.45 : x
  2. Step 2: Convert to fraction form
    559,134.36/837,439.74 = 258,984.45/x
  3. Step 3: Cross multiply
    559,134.36x = 837,439.74 × 258,984.45
  4. Step 4: Simplify right side
    559,134.36x = 216,883,870,472.04
  5. Step 5: Solve for x
    x = 216,883,870,472.04/559,134.36
  6. Step 6: Final answer
    x = 387,892.22

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