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Finding the Fourth Proportional to 494,868,978.06, 742,610,000.82 and 287,704,889.52

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Solution

The fourth proportional to 494,868,978.06, 742,610,000.82 and 287,704,889.52 is: 431,735,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,868,978.06 : 742,610,000.82 = 287,704,889.52 : x
  2. Step 2: Convert to fraction form
    494,868,978.06/742,610,000.82 = 287,704,889.52/x
  3. Step 3: Cross multiply
    494,868,978.06x = 742,610,000.82 × 287,704,889.52
  4. Step 4: Simplify right side
    494,868,978.06x = 213,652,528,242,365,216
  5. Step 5: Solve for x
    x = 213,652,528,242,365,216/494,868,978.06
  6. Step 6: Final answer
    x = 431,735,545.60

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