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Finding the Fourth Proportional to 576,424.02, 864,638.57 and 239,464.40

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Solution

The fourth proportional to 576,424.02, 864,638.57 and 239,464.40 is: 359,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,424.02 : 864,638.57 = 239,464.40 : x
  2. Step 2: Convert to fraction form
    576,424.02/864,638.57 = 239,464.40/x
  3. Step 3: Cross multiply
    576,424.02x = 864,638.57 × 239,464.40
  4. Step 4: Simplify right side
    576,424.02x = 207,050,156,381.91
  5. Step 5: Solve for x
    x = 207,050,156,381.91/576,424.02
  6. Step 6: Final answer
    x = 359,197.66

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