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Finding the Fourth Proportional to 201,204,446.90, 301,806,670.35 and 199,291,259.30

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Solution

The fourth proportional to 201,204,446.90, 301,806,670.35 and 199,291,259.30 is: 298,936,888.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,446.90 : 301,806,670.35 = 199,291,259.30 : x
  2. Step 2: Convert to fraction form
    201,204,446.90/301,806,670.35 = 199,291,259.30/x
  3. Step 3: Cross multiply
    201,204,446.90x = 301,806,670.35 × 199,291,259.30
  4. Step 4: Simplify right side
    201,204,446.90x = 60,147,431,399,191,480
  5. Step 5: Solve for x
    x = 60,147,431,399,191,480/201,204,446.90
  6. Step 6: Final answer
    x = 298,936,888.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.