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Finding the Fourth Proportional to 624,089,534.80, 936,246,276.60 and 260,620,632.40

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Solution

The fourth proportional to 624,089,534.80, 936,246,276.60 and 260,620,632.40 is: 390,977,709.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,089,534.80 : 936,246,276.60 = 260,620,632.40 : x
  2. Step 2: Convert to fraction form
    624,089,534.80/936,246,276.60 = 260,620,632.40/x
  3. Step 3: Cross multiply
    624,089,534.80x = 936,246,276.60 × 260,620,632.40
  4. Step 4: Simplify right side
    624,089,534.80x = 244,005,096,689,637,344
  5. Step 5: Solve for x
    x = 244,005,096,689,637,344/624,089,534.80
  6. Step 6: Final answer
    x = 390,977,709.26

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