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Finding the Fourth Proportional to 524,248,210.80, 785,369,615.40 and 281,830,546.80

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Solution

The fourth proportional to 524,248,210.80, 785,369,615.40 and 281,830,546.80 is: 422,206,778.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,248,210.80 : 785,369,615.40 = 281,830,546.80 : x
  2. Step 2: Convert to fraction form
    524,248,210.80/785,369,615.40 = 281,830,546.80/x
  3. Step 3: Cross multiply
    524,248,210.80x = 785,369,615.40 × 281,830,546.80
  4. Step 4: Simplify right side
    524,248,210.80x = 221,341,148,148,287,712
  5. Step 5: Solve for x
    x = 221,341,148,148,287,712/524,248,210.80
  6. Step 6: Final answer
    x = 422,206,778.37

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