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Finding the Fourth Proportional to 4,274,643.60, 6,397,968.60 and 3,322,861.20

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Solution

The fourth proportional to 4,274,643.60, 6,397,968.60 and 3,322,861.20 is: 4,973,411.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274,643.60 : 6,397,968.60 = 3,322,861.20 : x
  2. Step 2: Convert to fraction form
    4,274,643.60/6,397,968.60 = 3,322,861.20/x
  3. Step 3: Cross multiply
    4,274,643.60x = 6,397,968.60 × 3,322,861.20
  4. Step 4: Simplify right side
    4,274,643.60x = 21,259,561,619,758.32
  5. Step 5: Solve for x
    x = 21,259,561,619,758.32/4,274,643.60
  6. Step 6: Final answer
    x = 4,973,411.50

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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.