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Finding the Fourth Proportional to 283,987,288.80, 425,980,933.20 and 253,376,287.20

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Solution

The fourth proportional to 283,987,288.80, 425,980,933.20 and 253,376,287.20 is: 380,064,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,987,288.80 : 425,980,933.20 = 253,376,287.20 : x
  2. Step 2: Convert to fraction form
    283,987,288.80/425,980,933.20 = 253,376,287.20/x
  3. Step 3: Cross multiply
    283,987,288.80x = 425,980,933.20 × 253,376,287.20
  4. Step 4: Simplify right side
    283,987,288.80x = 107,933,467,272,207,200
  5. Step 5: Solve for x
    x = 107,933,467,272,207,200/283,987,288.80
  6. Step 6: Final answer
    x = 380,064,430.80

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