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Finding the Fourth Proportional to 4,938,274.56, 7,409,536.38 and 1,907,773.68

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Solution

The fourth proportional to 4,938,274.56, 7,409,536.38 and 1,907,773.68 is: 2,862,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938,274.56 : 7,409,536.38 = 1,907,773.68 : x
  2. Step 2: Convert to fraction form
    4,938,274.56/7,409,536.38 = 1,907,773.68/x
  3. Step 3: Cross multiply
    4,938,274.56x = 7,409,536.38 × 1,907,773.68
  4. Step 4: Simplify right side
    4,938,274.56x = 14,135,718,486,766.48
  5. Step 5: Solve for x
    x = 14,135,718,486,766.48/4,938,274.56
  6. Step 6: Final answer
    x = 2,862,481.28

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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.