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Finding the Fourth Proportional to 607,946.70, 911,920.05 and 558,180.30

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Solution

The fourth proportional to 607,946.70, 911,920.05 and 558,180.30 is: 837,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,946.70 : 911,920.05 = 558,180.30 : x
  2. Step 2: Convert to fraction form
    607,946.70/911,920.05 = 558,180.30/x
  3. Step 3: Cross multiply
    607,946.70x = 911,920.05 × 558,180.30
  4. Step 4: Simplify right side
    607,946.70x = 509,015,807,085.02
  5. Step 5: Solve for x
    x = 509,015,807,085.02/607,946.70
  6. Step 6: Final answer
    x = 837,270.45

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