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Finding the Fourth Proportional to 658,059.84, 985,591.04 and 515,012.80

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Solution

The fourth proportional to 658,059.84, 985,591.04 and 515,012.80 is: 771,346.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,059.84 : 985,591.04 = 515,012.80 : x
  2. Step 2: Convert to fraction form
    658,059.84/985,591.04 = 515,012.80/x
  3. Step 3: Cross multiply
    658,059.84x = 985,591.04 × 515,012.80
  4. Step 4: Simplify right side
    658,059.84x = 507,592,001,165.31
  5. Step 5: Solve for x
    x = 507,592,001,165.31/658,059.84
  6. Step 6: Final answer
    x = 771,346.27

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