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Finding the Fourth Proportional to 373,978,039.20, 560,967,058.80 and 249,142,548.30

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Solution

The fourth proportional to 373,978,039.20, 560,967,058.80 and 249,142,548.30 is: 373,713,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,978,039.20 : 560,967,058.80 = 249,142,548.30 : x
  2. Step 2: Convert to fraction form
    373,978,039.20/560,967,058.80 = 249,142,548.30/x
  3. Step 3: Cross multiply
    373,978,039.20x = 560,967,058.80 × 249,142,548.30
  4. Step 4: Simplify right side
    373,978,039.20x = 139,760,762,541,787,936
  5. Step 5: Solve for x
    x = 139,760,762,541,787,936/373,978,039.20
  6. Step 6: Final answer
    x = 373,713,822.45

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