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Finding the Fourth Proportional to 356,243,320.80, 534,364,981.20 and 356,243,320.80

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Solution

The fourth proportional to 356,243,320.80, 534,364,981.20 and 356,243,320.80 is: 534,364,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,243,320.80 : 534,364,981.20 = 356,243,320.80 : x
  2. Step 2: Convert to fraction form
    356,243,320.80/534,364,981.20 = 356,243,320.80/x
  3. Step 3: Cross multiply
    356,243,320.80x = 534,364,981.20 × 356,243,320.80
  4. Step 4: Simplify right side
    356,243,320.80x = 190,363,955,421,917,568
  5. Step 5: Solve for x
    x = 190,363,955,421,917,568/356,243,320.80
  6. Step 6: Final answer
    x = 534,364,981.20

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