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Finding the Fourth Proportional to 3,276,808.64, 4,914,475.52 and 1,175,560.64

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Solution

The fourth proportional to 3,276,808.64, 4,914,475.52 and 1,175,560.64 is: 1,763,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276,808.64 : 4,914,475.52 = 1,175,560.64 : x
  2. Step 2: Convert to fraction form
    3,276,808.64/4,914,475.52 = 1,175,560.64/x
  3. Step 3: Cross multiply
    3,276,808.64x = 4,914,475.52 × 1,175,560.64
  4. Step 4: Simplify right side
    3,276,808.64x = 5,777,263,987,555.53
  5. Step 5: Solve for x
    x = 5,777,263,987,555.53/3,276,808.64
  6. Step 6: Final answer
    x = 1,763,076.40

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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.