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Finding the Fourth Proportional to 611,768.16, 918,352.08 and 576,776.16

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Solution

The fourth proportional to 611,768.16, 918,352.08 and 576,776.16 is: 865,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,768.16 : 918,352.08 = 576,776.16 : x
  2. Step 2: Convert to fraction form
    611,768.16/918,352.08 = 576,776.16/x
  3. Step 3: Cross multiply
    611,768.16x = 918,352.08 × 576,776.16
  4. Step 4: Simplify right side
    611,768.16x = 529,683,586,230.41
  5. Step 5: Solve for x
    x = 529,683,586,230.41/611,768.16
  6. Step 6: Final answer
    x = 865,824.05

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