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Finding the Fourth Proportional to 608,799,606.80, 912,527,563.80 and 336,365,891.60

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Solution

The fourth proportional to 608,799,606.80, 912,527,563.80 and 336,365,891.60 is: 504,177,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,799,606.80 : 912,527,563.80 = 336,365,891.60 : x
  2. Step 2: Convert to fraction form
    608,799,606.80/912,527,563.80 = 336,365,891.60/x
  3. Step 3: Cross multiply
    608,799,606.80x = 912,527,563.80 × 336,365,891.60
  4. Step 4: Simplify right side
    608,799,606.80x = 306,943,147,607,162,880
  5. Step 5: Solve for x
    x = 306,943,147,607,162,880/608,799,606.80
  6. Step 6: Final answer
    x = 504,177,637.73

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Why These Related Problems?

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