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Finding the Fourth Proportional to 384,710.20, 530,964.65 and 260,474.81

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Solution

The fourth proportional to 384,710.20, 530,964.65 and 260,474.81 is: 359,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,710.20 : 530,964.65 = 260,474.81 : x
  2. Step 2: Convert to fraction form
    384,710.20/530,964.65 = 260,474.81/x
  3. Step 3: Cross multiply
    384,710.20x = 530,964.65 × 260,474.81
  4. Step 4: Simplify right side
    384,710.20x = 138,302,916,350.50
  5. Step 5: Solve for x
    x = 138,302,916,350.50/384,710.20
  6. Step 6: Final answer
    x = 359,498.96

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