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Finding the Fourth Proportional to 484,529.76, 668,704.68 and 293,648.40

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Solution

The fourth proportional to 484,529.76, 668,704.68 and 293,648.40 is: 405,267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,529.76 : 668,704.68 = 293,648.40 : x
  2. Step 2: Convert to fraction form
    484,529.76/668,704.68 = 293,648.40/x
  3. Step 3: Cross multiply
    484,529.76x = 668,704.68 × 293,648.40
  4. Step 4: Simplify right side
    484,529.76x = 196,364,059,354.51
  5. Step 5: Solve for x
    x = 196,364,059,354.51/484,529.76
  6. Step 6: Final answer
    x = 405,267.28

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